commit to user
82
4. The data of reading test of the students or the group having low interest
.
Descriptive analysis of the data shows that the score is 18 up to 30.
The means is 24.37, the mode is 27.58, the median is 24.25 and the standard deviation is 3.64. Histogram and polygon are presented in table 4.4.
Ta ble 4.4. Frequency Distribution of
Class Class
100
cfb Limit
Boundaries
18 - 20 17.5 - 20.5
19 361
4 16.67
76 1444
4 21 - 23
20.5 - 23.5 22
484 7
29.17 154
3388 11
24 - 26 23.5 - 26.5
25 625
4 16.67
100 2500
15 27 - 29
26.5 - 29.5 28
784 8
33.33 224
6272 23
30 - 32 29.5 - 32.5
31 961
1 4.16
31 961
24 3215
24 100
585 14565
Figure 4.4. Histogram a nd P olygon Da ta B
2
1 2
3 4
5 6
7 8
9
17.5 20.5
23.5 26.5
29.5 32.5
commit to user
83
5. The data of reading test of the students or the group having high interest
who are thought by using Clustering
.
Descriptive analysis of the data shows that the score is 24 up to 31.
The means is 30.41, the mode is 30, the median is 30.3 and the standard deviation is 2.31. Histogram and polygon are presented in table 4.5.
Ta ble 4. 5. F requency Distribution of
Class Class
100
cfb Limit
Boundaries
28 - 29 27.5 - 29.5
28.5 812.25
4 33.3
114 3249
4 30 - 31
29.5 - 31.5 30.5
930.25 5
41.7 152.2
4651.25 9
32 - 33 31.5 - 33.5
32.5 1056.25
2 16.7
65 2112.5
11 34 - 35
33.5 - 35.5 34.5
1190.25 1
8.4 34.5
1190.25 12
3989 12
100 365.7
11203
Figure 4.5. Histogr am a nd P olygon Da ta A
1
B
1
1 2
3 4
5 6
27.5 29.5
31.5 33.5
35.5
commit to user
84
6. The data of reading test of the students or the group having high interest
who are taught by using direct instruction
.
Descriptive analysis of the data shows that the score is 18 up to 30.
The means is 22.75, the mode is 19.63, the median is 20.5 and the standard deviation is 21.49. Histogram and polygon are presented in table 4.6.
Ta ble 4.6. Frequency Distribution of
Class Class
100
cfb Limit
Boundaries
18 - 20 17.5 - 20.5
19 361
5 41.7
95 1805
5 21 - 23
20.5 - 23.5 22
484 3
25 66
1452 8
24 - 26 23.5 - 26.5
25 625
1 8.34
25 625
9 27 - 29
26.5 - 29.5 28
784 2
16.67 56
1568 11
30 - 32 29.5 - 32.5
31 961
1 8.34
31 961
12 3215
12 100
273 6411
Figure 4.6. Histogram a nd P olygon Da ta A
2
B
1
1 2
3 4
5 6
17.5 20.5
23.5 26.5
29.5 32.5
commit to user
85
7. The data of reading test of the students or the group having low interest
