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1. The data of reading test of the students or, the group who are taught by
using Clustering
.
Descriptive analysis of the data shows that the score is 21 up to 34.
The means is 28.25, the mode is 28.75, the median is 24 and the standard deviation is 28.6, histogram and polygon are presented in table 4.1.
Ta ble 4. 1. F requency Distribution of
Class Class
100
cfb Limit
Boundaries
21 - 23 20.5 - 23.5
22 484
4 16.67
88 1936
4 24 - 26
23.5 - 26.5 25
625 1
4.17 25
625 5
27 - 29 26.5 - 29.5
28 784
10 41.67
280 7840
15 30 - 32
29.5 - 32.5 31
961 7
29.17 217
6727 22
33 - 35 32.5 - 35.5
34 1156
2 8.33
68 2312
24 4010
24 100
678 19440
Figure 4.1. Histogram a nd P olygon Da ta A1
Figure 4.1. Histogram a nd P olygon Da ta A1
2 4
6 8
10 12
20.5 23.5
26.5 29.5
32.5 35.5
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80
2. The data of reading test of the students or the group 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 19.75, the median is 22 and the standard deviation is 3.78. Histogram and polygon are presented in table 4.2.
Ta ble 4.2. Frequency Distribution of
Class Class
100
cfb Limit
Boundaries
18 - 20 17.5 - 20.5
19 361
9 37.5
171 3249
9 21 - 23
20.5 - 23.5 22
484 6
25 132
2904 15
24 - 26 23.5 - 26.5
25 625
4 16.7
100 2500
19 27 - 29
26.5 - 29.5 28
784 4
16.7 112
3136 23
30 - 32 29.5 - 32.5
31 961
1 4.17
31 961
24 3125
24 100
546 12750
Figure 4.2. Histogr am a nd P olygon Da ta A
2
Figure 4.2. Histogr am a nd P olygon Da ta A
2
1 2
3 4
5 6
7 8
9 10
17.5 20.5
23.5 26.5
29.5 32.5
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81
3. The data of reading test of the students or the group having high interest
.
Descriptive analysis of the data shows that the score is 18 up to 34.
The means is 26.67, the mode is 30.38, the median is 27.5, and the standard deviation is 4.39. Histogram and polygon are presented in table 4.3.
Ta ble 4.3. Frequency Distribution of
Class Class
100
cfb Limit
Boundaries
18 - 21 17.5 - 21.5
19.5 380.25
6 25
117 2281.5
6 22 - 25
21.5 - 25.5 23.5
552.25 3
12.5 70.5
1656.75 9
26 - 29 25.5 - 29.5
27.5 729
6 25
165 4374
15 30 - 33
29.5 - 33.5 31.5
992.25 8
33.33 252
7938 23
34 - 37 33.5 - 37.5
35.5 1260.25
1 4.17
35.5 1260.25
24 3914
24 100
640 17510.25
Figure 4.3. Histogram a nd P olygon Da ta B
1
1 2
3 4
5 6
7 8
9
17.5 21.5
25.5 29.5
33.5 37.5
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4. The data of reading test of the students or the group having low interest
