N Valid Missing
Std. Deviation 35
1.112 Variance
123.6 Range
50.00 Minimum
30.00 Maximum
80.00 Sum
2035
The table above shows that the data of the control class is 35 with sum 2035. Mean score from the control class is 58.14, the variance score is 123.6, and deviation
standard is 1.112. The highest score of the control class is 80.00 and the lowest score is 30.00. The median score is 60.00 and the mode score is 50.00
The table of frequency distribution from the data above is presented as follows:
Table 4.6 Table of Frequency Distribution of Pre-test Result of Control Class
Score
Frequency Percent
30 1
2.9 40
2 5.7
45 2
5.7 50
7 20.0
55 3
8.6 60
7 20.0
65 6
17.1 70
4 11.4
75 2
5.7 80
1 2.9
Total 35
100.0
The diagram from the data above is presented as follows:
Picture 4.2 Diagram of Pre-test Result of Control Class
b. Results of Post-test of Experimental Class and Control Class
The result of posttest of experimental class and control class based on SPSS v.16 for windows program was gained from the steps as follows: Analyze
– description statistic
– frequencies statistic. Results gained from a post-test in class XI IPA 1 as control class of this research are presented in a table below:
Table 4.7 Table of Data Description of Post-test Result of Experimental Class
N Valid
35 Missing
Mean 82.42
Median 80.00
Mode 80.00
Std. Deviation 7.705
1 2
3 4
5 6
7
30 35
40 45
50 55
60 65
70 75
80
N Valid Missing
Variance 35
59.37 Range
25.00 Minimum
70.00 Maximum
95.00 Sum
2885
The table above shows that the data of the experimental class is 35 with sum 2885. Mean score from the experimental class is 82.42, the variance score is 59.37,
and deviation standard is 7.705. The highest score of the experimental class is 95.00 and the lowest score is 70.00. The median score is 80.00 and the mode score is 80.00
According to the table above, it can be made a table of frequency distribution which is presented as follows:
Table 4.8 Table of Frequency Distribution of Post-test Result of Experimental Class
Score
Frequency Percent
70 4
11.4 75
6 17.1
80 8
22.9 85
7 20.0
90 6
17.1 95
4 11.4
Total 35
100.0
Beside the table of frequency distribution, it also can be describe by a diagram which is presented as follows:
Picture 4.3 Diagram of Post-test Result of Experimental Class
Results gained from a post-test in class XI IPA 1 as a control class of this research are presented in a table below:
Table 4.9 Table of Data Description of Post-test Result of Control Class
N Valid
35 Missing
Mean 64.57
Median 65.00
Mode 65.00
Std. Deviation 8.257
Variance 68.19
Range 35.00
Minimum 45.00
Maximum 80.00
Sum 2260
1 2
3 4
5 6
7 8
70 75
80 85
90 95
The table above shows that the data of the control class is 35 with sum 2260. Mean score from the control class is 64.57, the variance score is 68.19, and deviation
standard is 8.257. The highest score of the control class is 80.00 and the lowest score is 45.00. The median score is 65.00 and the mode score is 65.00
According to the table above, it can be made table of frequency distribution which is presented as follows:
Table 4.10 Table of Frequency Distribution of Post-test Result of Control Class
Score
Frequency Percent
Valid 45
2 5.7
55 4
11.4 60
7 20.0
65 9
25.7 70
8 22.9
75 3
8.6 80
2 5.7
Total 35
100.0
Beside the table of frequency distribution, it also can be describe by a diagram which is presented as follows:
