The Description of Data
Table 3 Score of Students’ Vocabulary Tests
NO. Name
X
1 Ade Agus Maulidi
85 2
Ahmad Baihaqi 65
3 Ahmad Reza Sidqi
75 4
Ahmad Yamani 70
5 Akhmad Dzuhri
85 6
Alfi Syahri 80
7 Andhita Rachmawati
70 8
Chairiyah 65
9 Dimas Rizky Fauzan
90 10
Dina Atra Sina 75
11 Dwi Merdekasari
60 12
Dyta Medina 70
13 Fachrul Rozi
70 14
Fitri Febriani 65
15 Ida Faridah
65 16
Jeffry Irwansyah 85
17 Khoirun Nisa Halfa
60 18
Lukman Hakim 80
19 Maisaroh
70 20
Mishfa Afifa 70
21 Muhammad Rio
80
22 Muhammad Sahrudin
85 23
Naila Qonita 90
24 Noerdiana
65 25
Nur Ani Kurniyati 60
26 Nur Aziziah
80 27
Nur Cholis 85
28 Nurul Avivah
65 29
Nurul Jannah 70
30 Panca Prasetyo
65 31
Rian Saputra 65
32 Rieke Ardiana Saputri
75 33
Rizky Reza Afriyanto 85
34 Sumaya
65 35
Trisna Surya Ekatama 90
36 Yuliana Putri
75 37
Zairinah 70
38 Zaki Firmansyah
60 39
Zakiah 60
40 Zulkifli
85 N=40
X= 2930
Table 4 Score of Students’ Vocabulary Test
From the High Score to the Low Score NO.
Name X
9 Chairiyah
90 23
Muhammad Sahrudin 90
35 Sumaya
90 1
A. Ferdi 85
5 Ahmad Yamani
85 16
Ida Faridah 85
22 Muhammad Rio
85 27
Nur Aziziah 85
33 Rieke Ardiana Saputri
85 40
Zulkifli 85
6 Akhmad Dzuhri
80 18
Khoirun Nisa Halfa 80
21 Mishfa Afifa
80 26
Nur Ani Kurniyati 80
3 Ahmad Baihaqi
75 10
Dimas Rizky Fauzan 75
32 Rian Saputra
75 36
Trisna Surya Ekatama 75
4 Ahmad Reza Sidqi
70 7
Alfi Syahri 70
12 Dwi Merdekasari
70 13
Dyta Medina 70
19 Lukman Hakim
70 20
Maisaroh 70
29 Nurul Avivah
70 37
Yuliana Putri 70
2 Ade Agus Maulidi
65 8
Andhita Rachmawati 65
14 Fachrul Rozi
65 15
Fitri Febriani 65
24 Naila Qonita
65 28
Nur Cholis 65
30 Nurul Jannah
65 31
Panca Prasetyo 65
34 Rizky Reza Afriyanto
65 11
Dina Atra Sina 60
17 Jeffry Irwansyah
60 25
Noerdiana 60
38 Zairinah
60 39
Zaki Firmansyah 60
Total Score 2930
N=40 Mean X
73,25
Table 5 Score of Students’ Reading Tests
NO. Name
Y
1 Ade Agus Maulidi
75
2 Ahmad Baihaqi
70 3
Ahmad Reza Sidqi 75
4 Ahmad Yamani
80 5
Akhmad Dzuhri 85
6 Alfi Syahri
80 7
Andhita Rachmawati 65
8 Chairiyah
70 9
Dimas Rizky Fauzan 85
10 Dina Atra Sina
75 11
Dwi Merdekasari 60
12 Dyta Medina
70 13
Fachrul Rozi 75
14 Fitri Febriani
70 15
Ida Faridah 60
16 Jeffry Irwansyah
75 17
Khoirun Nisa Halfa 70
18 Lukman Hakim
75 19
Maisaroh 70
20 Mishfa Afifa
65 21
Muhammad Rio 75
22 Muhammad Sahrudin
80 23
Naila Qonita 85
24 Noerdiana
70 25
Nur Ani Kurniyati 65
26 Nur Aziziah
75 27
Nur Cholis 80
28 Nurul Avivah
70 29
Nurul Jannah 70
30 Panca Prasetyo
75 31
Rian Saputra 80
32 Rieke Ardiana Saputri
70 33
Rizky Reza Afriyanto 80
34 Sumaya
70
35 Trisna Surya Ekatama
90 36
Yuliana Putri 80
37 Zairinah
70 38
Zaki Firmansyah 65
39 Zakiah
70 40
Zulkifli 75
N = 40 Y =2945
Table 6 Score of Students’ Reading Test from the High Score to the Low Score
NO. Name
Y
35 Sumaya
90 5
Ahmad Yamani 85
9 Chairiyah
85 23
Muhammad Sahrudin 85
4 Ahmad Reza Sidqi
80 6
Akhmad Dzuhri 80
22 Muhammad Rio
80 27
Nur Aziziah 80
31 Panca Prasetyo
80 33
Rieke Ardiana Saputri 80
36 Trisna Surya Ekatama
80 1
A. Ferdi 75
3 Ahmad Baihaqi
75 10
Dimas Rizky Fauzan 75
13 Dyta Medina
75 16
Ida Faridah 75
18 Khoirun Nisa Halfa
75 21
Mishfa Afifa 75
26 Nur Ani Kurniyati
75 30
Nurul Jannah 75
40 Zulkifli
75 2
Ade Agus Maulidi 70
8 Andhita Rachmawati
70 12
Dwi Merdekasari 70
14 Fachrul Rozi
70 17
Jeffry Irwansyah 70
19 Lukman Hakim
70 24
Naila Qonita 70
28 Nur Cholis
70 29
Nurul Avivah 70
32 Rian Saputra
70 34
Rizky Reza Afriyanto 70
37 Yuliana Putri
70 39
Zaki Firmansyah 70
7 Alfi Syahri
65 20
Maisaroh 65
25 Noerdiana
65 38
Zairinah 65
11 Dina Atra Sina
60
15 Fitri Febriani
60 Total
2945 Mean Y
73,625
Table 7 Score of Students’ Vocabulary and Reading Tests
NO. Name
X Y
1 Ade Agus Maulidi
85 75
2 Ahmad Baihaqi
65 70
3 Ahmad Reza Sidqi
75 75
4 Ahmad Yamani
70 80
5 Akhmad Dzuhri
85 85
6 Alfi Syahri
80 80
7 Andhita Rachmawati
70 65
8 Chairiyah
65 70
9 Dimas Rizky Fauzan
90 85
10 Dina Atra Sina
75 75
11 Dwi Merdekasari
60 60
12 Dyta Medina
70 70
13 Fachrul Rozi
70 75
14 Fitri Febriani
65 70
15 Ida Faridah
65 60
16 Jeffry Irwansyah
85 75
17 Khoirun Nisa Halfa
60 70
18 Lukman Hakim
80 75
19 Maisaroh
70 70
20 Mishfa Afifa
70 65
21 Muhammad Rio
80 75
22 Muhammad Sahrudin
85 80
23 Naila Qonita
90 85
24 Noerdiana
65 70
25 Nur Ani Kurniyati
60 65
26 Nur Aziziah
80 75
27 Nur Cholis
85 80
28 Nurul Avivah
65 70
29 Nurul Jannah
70 70
30 Panca Prasetyo
65 75
31 Rian Saputra
65 80
32 Rieke Ardiana Saputri
75 70
33 Rizky Reza Afriyanto
85 80
34 Sumaya
65 70
35 Trisna Surya Ekatama
90 90
36 Yuliana Putri
75 80
37 Zairinah
70 70
38 Zaki Firmansyah
60 65
39 Zakiah
60 70
40 Zulkifli
85 75
Total 2930
2945 N=40
73,25 73,63
Based on the table above, the writer makes the calculation as follow: a.
Determining Mean 1 Vocabulary Achievement with formula:
Mx = X = 2930 = 73. 25 N 40
b. Determining Mean II Reading ability with formula:
My = Y = 2945 = 73. 63 N 40
c. Interval Data
From the table above, the data from the score test are:
Table 8 Table 9
Frequency of Vocabulary Frequency of Reading X
frequency Y
Frequency
90 3
90 1
85 7
85 3
80 4
80 7
75 4
75 10
70 8
70 13
65 9
65 4
60 5
60 2
Total N=40
Total 40 = N
Interval Data: Table 10
Vocabulary:
interval frequency f
X X²
fX fX²
90-94 3
93 8649
279 25947
85-89 7
87 7569
609 52983
80-84 4
83 6889
332 27556
75-79 4
77 5929
308 23716
70-74 8
73 5329
584 42632
65-69 9
67 4489
603 40401
60-64 5
63 3969
315 19845
total N=40
FX= 3030 FX²=233080
Table 11 Reading:
interval frequency f
X X²
fX fX²
90-94 1
93 8649
93 8649
85-89 3
87 7569
261 22707
80-84 7
83 6889
581 48223
75-79 10
77 5929
770 59290
70-74 13
73 5329
949 69277
65-69 4
67 4489
268 17956
60-64 2
63 3969
126 7938
total N=40
FX= 3048 FX²=234040
d. Modus from the data:
Modus for vocabulary test is 65 Modus for Reading test is 70
e. Median of the data
Median for vocabulary test is = 70+70: 2 = 70 Median for Reading test is = 75+75: 2 = 75
f. Class Interval
1. Interval 60-64 the class interval is: 5 this is sufficient score. Midpoint from interval
60-64 is: 60+64 : 2 = 124 : 2 = 62 2.
Interval 65-69 the class interval is: 5 this is sufficient score. Midpoint from interval 65-69 is: 65+69 : 2 = 134 : 2 = 67
3. Interval 70-74 the class interval is: 5 this is sufficient score. Midpoint from interval
70-74 is: 70+74 : 2 = 144: 2 = 72
4. Interval 75-79 the class interval is: 5this is sufficient score. Midpoint from interval
75-79 is: 75+79 : 2 = 154: 2 = 77 5.
Interval 80-84 the class interval is: 5this is sufficient score. Midpoint from interval 80-84 is: 80+84 : 2 = 164 : 2 = 82
6. Interval 85-89 the class interval is: 5 this is sufficient score. Midpoint from interval
85-89 is: 85+89 : 2 = 174 : 2 = 87 7.
Interval 90-94 the class interval is: 5 this is sufficient score. Midpoint from interval 90-94 is: 90+94 : 2 = 184 :2 = 92