Rak untuk mendinginkan “dodolan”

  62

7. LAMPIRAN Lampiran 1. Denah Ruang Produksi dan Saluran Pembuangan PT. Indosigma

  Keterangan : : Lokasi tanpa sekat ruangan : Lokasi di bawah tanah

  Pagar / Pintu Gerbang Utama Front Office

  R. Sortasi, R. Pengemasan dan Gudang Sementara Saluran belakang (langsung ke sungai)

  R. penerimaan dan R. pencucian Gudang kerupuk udang yang siap di ekspor

  L o k as i P ar k ir

  S te a m er

  R. pelepasan dan pemotongan “dodolan” Pembuatan dan pencetakan adonan Penyiapan bahan baku

  R . G an ti

  K ar y aw an

  Septitank (bawah tanah) C h ille r

  O v en

  

Bak pencucian

Perpustakaan Unika

  63 Perpustakaan Unika

  Lampiran 2. Denah Ruang Produksi dan Saluran Pembuangan PT. Surya

  R. penataan

  Tower

  lembar kerupuk Tungku pengukusan basah dan R.

  Pengemasan

  ng

  setelah

  da

  pemgovenan

  u n u k ak t ia an ta g la uc n n ce n b er er

an” n a

to n a o ix ix ol ah ia

  M M a pe adona em uc ej

  “dod an b ang penc . P p M u R ia R y an penc en d . p

  Rak untuk R mendinginkan “dodolan”

  R. Pengeringan / Oven Sumur

  R. Penyimpanan / Gudang

  Pagar / Pintu Gerbang Utama Keterangan : : lokasi tanpa sekat ruangan

  Kantor / Ruang jaga

  64 Perpustakaan Unika

  Lampiran 3. Material Balance Proses Produksi Kerupuk Udang PT. Indosigma

  65 Perpustakaan Unika

  Lampiran 4. Material Balance Proses Produksi Kerupuk Udang PT. Surya

  66 Lampiran 5. Perhitungan Limbah Cair yang Dihasilkan Selama Proses Produksi PT. Indosigma * PT. Surya ** Ulangan

  Limbah udang (m

  3 ) Limbah pembuangan akhir (m

  3 ) Limbah total (m

  3 )

Limbah / ton

produk

(m

  3

/ton)

Limbah udang (m

  3 ) Limbah pembuangan akhir (m

  3 ) Limbah total

  (m

  3 ) Limbah / ton produk (m

  3 /ton) 1 0.10334 1.30536 1.40870 0.469567 0.11456 1.32048 1.43504 1.43504

  2 0.10241 1.29996 1.40237 0.467457 0.11247 1.30644 1.41891 1.41891 3 0.10539 1.30968 1.41507 0.471690 0.11345 1.30572 1.41917 1.41917 4 0.10036 1.29672 1.39708 0.465693 0.11241 1.31508 1.42749 1.42749 5 0.10543 1.29852 1.40395 0.467983 0.11552 1.32336 1.43888 1.43888

  

Rata-rata 1.405434 0.468478 1.427898 1.427898

Keterangan :

  Perpustakaan Unika

• kapasitas produksi tiga ton
• kapasitas produksi satu ton

  67 Lampiran 6. Perhitungan Analisa Fisik Limbah Cair

  0.50

  19.0

  18.5

  3

  2

  1

  0.42 C

  0.40

  33.0

  1.52

  33.5

  33.3

  3

  2

  1

  1.54 B

  1.40

  1.50

  19.0

  1.50

  17.0

  0.40 A

  1.40

  1.58

  17.2

  17.0

  17.5

  3

  2

  1

  0.48

  1.64

  0.44

  28.0

  28.5

  28.6

  3

  2

  1

  2 D

  17.0

  17.5

  Hari ke- Sampel Ulangan Temperatur TSS A

  1

  0.40

  0.50

  33.6

  33.5

  33.0

  3

  2

  1.60 B

  1

  1.44

  1.40

  17.0

  17.5

  17.0

  3

  2

  1

  0.48 C

  2

  3

  3

  2

  1

  0.44 A

  0.24

  0.40

  28.5

  28.5

  28.3

  2

  3

  1

  1 D

  1.64

  1.52

  1.74

  19.5

  19.0

  19.5

  1.60 Perpustakaan Unika

  68 Lampiran 7. Perhitungan Analisa Kimia Limbah Cair

  45

  7.01

  3

  2

  1

  0.94 C

  0.96

  0.89

  42

  48

  6.30 240 160 240

  7.01 520 490 480

  6.30

  6.32

  3

  2

  1

  3.82 B

  3.88

  3.84

  96 116 112

  6.99 490 505 475

  7.03

  126 121 132

  6.99

  52

  3.87

  116

  6.99 410 460 112

  6.97

  2

  1

  1.52 A

  1.64

  1.55

  52

  4.16

  55

  6.60 270 220 280

  6.59

  6.61

  3

  2

  1

  2 D

  4.15

  4.13

  7.01

  3

  Hari ke- Sampel Ulangan pH COD BOD Nitrat A

  1

  0.96

  41

  42

  45

  6.30 240 160 240

  6.29

  6.31

  3

  2

  3.86 B

  0.87 C

  3.85

  3.88

  98 108

  112

  6.98 490 505 475

  6.99

  7.02

  3

  2

  1

  0.91

  1

  2

  3

  1

  1.82 A

  1.52

  1.64

  56

  48

  52

  6.61 270 220 280

  6.62

  6.61

  2

  2

  1

  1 D

  4.15

  4.20

  4.12

  132 148 138

  7.04 520 490 480

  7.01

  7.05

  3

  3.68 Perpustakaan Unika

  69 Perpustakaan Unika

  Lampiran 8. Uji Normalitas dan Uji T Kuantitas Limbah Cair Antar Perusahaan Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. UDANG Indosigma

  .227 5 .200* .910 5 .468 surya .221 5 .200* .902 5 .421 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. AKHIR Indosigma

  .251 5 .200* .915 5 .501 surya .294 5 .181 .899 5 .406 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. TOTAL Indosigma .182 5 .200* .984 5 .956 surya

  .232 5 .200* .885 5 .330 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  Perpustakaan Unika

70 T-Test

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG Indosigma 5 .10300 .002121 .000949 surya 5 .11320 .001304 .000583

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  .951 .358 -9.160 8 .000 -.01020 .001114 -.012768 -.007632 assumed Equal variances

• 9.160 6.645 .000 -.01020 .001114 -.012862 -.007538 not assumed

  T-Test Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  AKHIR Indosigma 5 1.30202 .005196 .002324 surya 5 1.31034 .008543 .003820

  Perpustakaan Unika

71 Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper AKHIR Equal variances

  2.068 .188 -1.861 8 .100 -.00832 .004472 -.018632 .001992 assumed Equal variances

• 1.861 6.604 .108 -.00832 .004472 -.019024 .002384 not assumed

  T-Test Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  TOTAL Indosigma 5 1.40532 .006844 .003061 surya 5 1.42774 .009084 .004063

  Perpustakaan Unika

72 Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper TOTAL Equal variances

  .787 .401 -4.408 8 .002 -.02242 .005087 -.034150 -.010690 assumed Equal variances

• 4.408 7.435 .003 -.02242 .005087 -.034307 -.010533 not assumed

  T-Test Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  RASIO Indosigma 5 .46832 .002317 .001036 surya 5 1.42774 .009084 .004063

  Perpustakaan Unika

73 Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper RASIO Equal variances

  9.152 .016 -228.829 8 .000 -.95942 .004193 -.969088 -.949752 assumed Equal variances

• 228.829 4.518 .000 -.95942 .004193 -.970553 -.948287 not assumed
• .234 -.347 1.014 1.041

  74 Lampiran 9. Uji Normalitas dan Uji T Kualitas Limbah Cair Pada Masing-Masing Perusahaan SUHU NPar Tests: PT Indosigma One-Sample Kolmogorov-Smirnov Test

  b.

  Perpustakaan Unika

  Most Extreme Differences

  Absolute Positive

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .33166 .22973 .233 .306 .212 .155

  9 19.1333 28.3444

  9

  NPar Tests: PT Surya One-Sample Kolmogorov-Smirnov Test

  Calculated from data.

  9

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  Mean Std. Deviation

  .256 .228 N

  .24210 .23688 .338 .347 .338 .186

  9 17.1889 33.3889

UDANG AKHIR

• .166 -.317

  b.

  Perpustakaan Unika

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .742 1.014 .640 .256

  .247 .338 .247 .153

  9 1.5933 .4089 .08602 .06936

  9

  NPar Tests: PT Surya One-Sample Kolmogorov-Smirnov Test

  Calculated from data.

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .587 1.323 .881 .060

  .196 .441 .196 .441

  9 1.4956 .5378 .08762 .28887

  9

  75 TSS NPar Tests: PT Indosigma One-Sample Kolmogorov-Smirnov Test

UDANG AKHIR

• .177 -.338
• .169 -.230

  Perpustakaan Unika

  9

  b.

  Calculated from data.

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .776 1.149 .583 .143

  .259 .383 .259 .284

  9 7.0256 6.6078 .01740 .00833

  NPar Tests: PT Surya One-Sample Kolmogorov-Smirnov Test

  76 One-Sample Kolmogorov-Smirnov Test

  b.

  Calculated from data.

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .830 .976 .496 .296

  .277 .325 .277 .325

  9 6.9944 6.3011 .01590 .00928

  9

• .186 -.383
• .150 -.186

  Perpustakaan Unika

  BOD NPar Tests: PT Indosigma One-Sample Kolmogorov-Smirnov Test

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .962 .688 .313 .732

  .321 .229 .172 .229

  44.22 7.288 2.819

  9 109.11

  9

  b.

  77 NPar Tests: PT Surya One-Sample Kolmogorov-Smirnov Test

  Calculated from data.

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .623 .558 .832 .914

  .208 .186 .208 .144

  9 505.00 252.22 20.917 23.333

  9

• .321 -.164
• .278 -.212

  Perpustakaan Unika

  NPar Tests: PT Surya One-Sample Kolmogorov-Smirnov Test

  b.

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .593 .725 .873 .670

  .198 .242 .198 .242

  9 4.1489 1.6033 .02759 .09695

  9

  b.

  78 NPar Tests: PT Indosigma One-Sample Kolmogorov-Smirnov Test

  Calculated from data.

  a.

  UDANG AKHIR Test distribution is Normal.

  Most Extreme Differences Kolmogorov-Smirnov Z Asymp. Sig. (2-tailed)

  Absolute Positive Negative

  a,b

  Normal Parameters

  N Mean Std. Deviation

  .833 .635 .491 .815

  .278 .212 .264 .157

  9 3.8400 .9267 .06344 .03317

  9

• .148 -.195

  Perpustakaan Unika

79 T-Test: SUHU

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG PT. Indosigma 9 17.1889 .24210 .08070 PT. Surya 9 19.1333 .33166 .11055

  AKHIR PT. Indosigma 9 33.3889 .23688 .07896 PT. Surya 9 28.3444 .22973 .07658

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  .505 .487 -14.206 16 .000 -1.9444 .13687 -2.23460 -1.65428 assumed Equal variances

• 14.206 14.640 .000 -1.9444 .13687 -2.23681 -1.65208 not assumed

  AKHIR Equal variances .002 .963 45.861 16 .000 5.0444 .10999 4.81127 5.27762 assumed

  Equal variances 45.861 15.985 .000 5.0444 .10999 4.81125 5.27764 not assumed

  Perpustakaan Unika

80 T-Test: TSS

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG PT. Indosigma 9 1.4956 .08762 .02921 PT. Surya 9 1.5933 .08602 .02867

  AKHIR PT. Indosigma 9 .4489 .04595 .01532 PT. Surya 9 .4089 .06936 .02312

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  .015 .905 -2.389 16 .030 -.0978 .04093 -.18455 -.01101 assumed Equal variances

• 2.389 15.995 .030 -.0978 .04093 -.18455 -.01101 not assumed

  AKHIR Equal variances .019 .892 1.442 16 .169 .0400 .02773 -.01879 .09879 assumed

  Equal variances 1.442 13.887 .171 .0400 .02773 -.01953 .09953 not assumed

  Perpustakaan Unika

81 T-Test: pH

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG PT. Indosigma 9 6.9944 .01590 .00530 PT. Surya 9 7.0256 .01740 .00580

  AKHIR PT. Indosigma 9 6.3011 .00928 .00309 PT. Surya 9 6.6078 .00833 .00278

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  .450 .512 -3.960 16 .001 -.0311 .00786 -.04777 -.01446 assumed Equal variances

• 3.960 15.871 .001 -.0311 .00786 -.04778 -.01444 not assumed

  AKHIR Equal variances .029 .868 -73.764 16 .000 -.3067 .00416 -.31548 -.29785 assumed

  Equal variances

• 73.764 15.818 .000 -.3067 .00416 -.31549 -.29785 not assumed

  Perpustakaan Unika

82 T-Test: COD

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG PT. Indosigma 9 460.00 34.731 11.577 PT. Surya 9 505.00 20.917 6.972

  AKHIR PT. Indosigma 9 217.78 31.929 10.643 PT. Surya 9 252.22 23.333 7.778

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  3.181 .093 -3.330 16 .004 -45.00 13.514 -73.649 -16.351 assumed Equal variances

• 3.330 13.128 .005 -45.00 13.514 -74.167 -15.833 not assumed

  AKHIR Equal variances .500 .490 -2.613 16 .019 -34.44 13.182 -62.389 -6.500 assumed

  Equal variances

• 2.613 14.649 .020 -34.44 13.182 -62.600 -6.289 not assumed

  Perpustakaan Unika

83 T-Test: BOD

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG PT. Indosigma 9 109.11 7.288 2.429 PT. Surya 9 131.67 8.307 2.769

  AKHIR PT. Indosigma

  9 44.22 2.819 .940 PT. Surya

  9 53.11 2.619 .873

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  .004 .950 -6.123 16 .000 -22.56 3.683 -30.364 -14.747 assumed Equal variances

• 6.123 15.734 .000 -22.56 3.683 -30.375 -14.736 not assumed

  AKHIR Equal variances .251 .623 -6.930 16 .000 -8.89 1.283 -11.608 -6.170 assumed

  Equal variances

• 6.930 15.915 .000 -8.89 1.283 -11.609 -6.169 not assumed

  Perpustakaan Unika

84 T-Test: NITRAT

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG PT. Indosigma 9 3.8400 .06344 .02115 PT. Surya 9 4.1489 .02759 .00920

  AKHIR PT. Indosigma 9 .9267 .03317 .01106 PT. Surya 9 1.6033 .09695 .03232

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  1.279 .275 -13.395 16 .000 -.3089 .02306 -.35778 -.26000 assumed Equal variances

• 13.395 10.921 .000 -.3089 .02306 -.35969 -.25809 not assumed

  AKHIR Equal variances 4.831 .043 -19.811 16 .000 -.6767 .03416 -.74908 -.60426 assumed

  Equal variances

• 19.811 9.847 .000 -.6767 .03416 -.75293 -.60040 not assumed

  85 Perpustakaan Unika

  Lampiran 10. Uji Normalitas dan Uji T Kualitas Limbah Cair Antar Perusahaan SUHU Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. UDANG Indosigma

  .158 9 .200* .958 9 .780 surya .140 9 .200* .896 9 .230 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. AKHIR Indosigma

  .190 9 .200* .923 9 .414 surya .218 9 .200* .921 9 .400 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  TSS Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. TSS_UDAN Indosigma

  .196 9 .200* .845 9 .065 surya .247 9 .119 .881 9 .160 *.

  This is a lower bound of the true significance.

  86 Perpustakaan Unika pH Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. PH_UDANG Indosigma

  .189 9 .200* .952 9 .715 surya .259 9 .084 .813 9 .028 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. PH_AKHIR Indosigma

  .248 9 .116 .900 9 .250 surya .139 9 .200* .971 9 .906 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  COD Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. COD_UDNG Indosigma

  .223 9 .200* .885 9 .177 surya .208 9 .200* .910 9 .316 *.

  This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  87 Perpustakaan Unika

  Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. BOD_AKHR Indosigma

  .229 9 .190 .878 9 .148 surya .225 9 .200* .864 9 .106 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  NITRAT Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. NITRAT_U Indosigma

  .249 9 .113 .749 9 .005 surya .198 9 .200* .909 9 .309 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  Tests of Normality a

  Kolmogorov-Smirnov Shapiro-Wilk LOKASI Statistic df Sig. Statistic df Sig. NITRAT_A Indosigma .212 9 .200* .889 9 .194 surya .242

  9 .138 .817 9 .032 *. This is a lower bound of the true significance.

  a.

  Lilliefors Significance Correction

  Perpustakaan Unika

88 T-Test: Suhu

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  UDANG Indosigma 9 17.3111 .20276 .06759 surya 9 19.2333 .33912 .11304

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper UDANG Equal variances

  1.196 .290 -14.595 16 .000 -1.9222 .13170 -2.20142 -1.64302 assumed Equal variances

• 14.595 13.072 .000 -1.9222 .13170 -2.20659 -1.63785 not assumed

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  AKHIR Indosigma 9 33.3556 .21858 .07286 surya 9 28.3444 .20683 .06894

  Perpustakaan Unika

89 Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper AKHIR Equal variances

  .045 .834 49.957 16 .000 5.0111 .10031 4.79847 5.22375 assumed Equal variances

  49.957 15.951 .000 5.0111 .10031 4.79841 5.22381 not assumed

  T-Test: TSS Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  TSS_UDAN Indosigma 9 1.4956 .08762 .02921 surya 9 1.5933 .08602 .02867

  Independent Samples Test

  Levene's Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper TSS_UDAN Equal variances

  .015 .905 -2.389 16 .030 -.0978 .04093 -.18455 -.01101 assumed

  Perpustakaan Unika

90 Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  AKHIR Indosigma 9 .4489 .04595 .01532 surya 9 .4289 .02848 .00949

  

Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper AKHIR Equal variances

  6.674 .020 1.110 16 .283 .0200 .01802 -.01820 .05820 assumed Equal variances

  1.110 13.357 .287 .0200 .01802 -.01882 .05882 not assumed

  T-Test: pH Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  PH_UDANG Indosigma 9 6.9911 .01965 .00655 surya 9 7.0256 .01740 .00580

  Perpustakaan Unika

91 Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper PH_UDANG Equal variances

  .003 .957 -3.937 16 .001 -.0344 .00875 -.05299 -.01590 assumed Equal variances

• 3.937 15.769 .001 -.0344 .00875 -.05301 -.01588 not assumed

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  PH_AKHIR Indosigma 9 6.3089 .01764 .00588 surya 9 6.6133 .01581 .00527

  

Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper PH_AKHIR Equal variances

  .177 .680 -38.557 16 .000 -.3044 .00790 -.32118 -.28771 assumed Equal variances

  Perpustakaan Unika

92 T-Test: COD

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  COD_UDNG Indosigma 9 460.00 34.731 11.577 surya 9 505.00 20.917 6.972

  Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper COD_UDNG Equal variances

  3.181 .093 -3.330 16 .004 -45.00 13.514 -73.649 -16.351 assumed Equal variances

• 3.330 13.128 .005 -45.00 13.514 -74.167 -15.833 not assumed

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  COD_AKIR Indosigma 9 217.78 31.929 10.643 surya 9 252.22 23.333 7.778

  Perpustakaan Unika

93 Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper COD_AKIR Equal variances

  .500 .490 -2.613 16 .019 -34.44 13.182 -62.389 -6.500 assumed Equal variances

• 2.613 14.649 .020 -34.44 13.182 -62.600 -6.289 not assumed

  T-Test: BOD Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  BOD_UDG Indosigma 9 109.11 7.271 2.424 surya 9 131.67 8.307 2.769

  Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper BOD_UDG Equal variances

  .004 .950 -6.130 16 .000 -22.56 3.680 -30.356 -14.755 assumed

  Perpustakaan Unika

94 Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  BOD_AKHR Indosigma

  9 44.22 2.819 .940 surya 9 53.11 2.619 .873

  Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper BOD_AKHR Equal variances

  .251 .623 -6.930 16 .000 -8.89 1.283 -11.608 -6.170 assumed Equal variances

• 6.930 15.915 .000 -8.89 1.283 -11.609 -6.169 not assumed

  T-Test: NITRAT Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  NITRAT_U Indosigma 9 3.8322 .06220 .02073 surya 9 4.1489 .02759 .00920

  Perpustakaan Unika

95 Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper NITRAT_U Equal variances

  1.687 .212 -13.961 16 .000 -.3167 .02268 -.36475 -.26858 assumed Equal variances

• 13.961 11.030 .000 -.3167 .02268 -.36657 -.26676 not assumed

  Group Statistics

  Std. Error LOKASI N Mean Std. Deviation Mean

  NITRAT_A Indosigma 9 .9267 .03317 .01106 surya 9 1.6033 .09695 .03232

  

Independent Samples Test

  Levene' s Test for Equality of Variances t-test for Equality of Means

  95% Confidence Interval of the

  Difference Mean Std. Error

  F Sig. t df Sig. (2-tailed) Difference Difference Lower Upper NITRAT_A Equal variances

  4.831 .043 -19.811 16 .000 -.6767 .03416 -.74908 -.60426 assumed Equal variances