Experimental
|
pretest |
posttest |
|||
|
Mean |
9.888889 |
Mean |
14.11111 |
|
|
Standard Error |
0.529452 |
Standard Error |
0.43453 |
|
|
Median |
10 |
Median |
15 |
|
|
Mode |
10 |
Mode |
15 |
|
|
Standard Deviation |
2.246275 |
Standard Deviation |
1.843554 |
|
|
Sample Variance |
5.045752 |
Sample Variance |
3.398693 |
|
|
Kurtosis |
-0.67301 |
Kurtosis |
0.161487 |
|
|
Skewness |
0.120378 |
Skewness |
-0.81625 |
|
|
Range |
8 |
Range |
7 |
|
|
Minimum |
6 |
Minimum |
10 |
|
|
Maximum |
14 |
Maximum |
17 |
|
|
Sum |
178 |
Sum |
254 |
|
|
Count |
18 |
|
Count |
18 |
Control
|
pretest |
Posttest |
||
|
Mean |
8.944444 |
Mean |
13 |
|
Standard Error |
0.438895 |
Standard Error |
0.517662 |
|
Median |
9 |
Median |
13 |
|
Mode |
9 |
Mode |
14 |
|
Standard Deviation |
1.862074 |
Standard Deviation |
2.196253 |
|
Sample Variance |
3.46732 |
Sample Variance |
4.823529 |
|
Kurtosis |
-0.18302 |
Kurtosis |
2.130309 |
|
Skewness |
-0.46301 |
Skewness |
0.899536 |
|
Range |
7 |
Range |
9 |
|
Minimum |
5 |
Minimum |
10 |
|
Maximum |
12 |
Maximum |
19 |
|
Sum |
161 |
Sum |
234 |
|
Count |
18 |
Count |
18 |
|
|
Pretest |
Pretest |
|
Mean |
9.888889 |
8.944444444 |
|
Variance |
5.045752 |
3.467320261 |
|
Observations |
18 |
18 |
|
Pearson Correlation |
-0.1422 |
|
|
Hypothesized Mean Difference |
0 |
|
|
df |
17 |
|
|
t Stat |
1.286377 |
|
|
P(T<=t) one-tail |
0.107778 |
|
|
t Critical one-tail |
1.739607 |
|
|
P(T<=t) two-tail |
0.215555 |
|
|
t Critical two-tail |
2.109816 |
|
T-test for two sample means
|
|
pretest |
posttest |
|
Mean |
9.888889 |
14.11111 |
|
Variance |
5.045752 |
3.398693 |
|
Observations |
18 |
18 |
|
Pearson Correlation |
0.301455 |
|
|
Hypothesized Mean Difference |
0 |
|
|
df |
17 |
|
|
t Stat |
-7.34518 |
|
|
P(T<=t) one-tail |
5.72E-07 |
|
|
t Critical one-tail |
1.739607 |
|
|
P(T<=t) two-tail |
1.14E-06 |
|
|
t Critical two-tail |
2.109816 |
|
|
|
Pre-test |
post-test |
|
post-test |
Post-test |
|
Mean |
8.944444 |
13 |
Mean |
14.11111 |
13 |
|
Variance |
3.46732 |
4.823529 |
Variance |
3.398693 |
4.823529412 |
|
Observations |
18 |
18 |
Observations |
18 |
18 |
|
Pearson Correlation |
0.316442 |
Pearson Correlation |
0.392262 |
||
|
Hypothesized Mean Difference |
0 |
Hypothesized Mean Difference |
0 |
||
|
df |
17 |
df |
17 |
||
|
t Stat |
-7.20526 |
t Stat |
2.098606 |
||
|
P(T<=t) one-tail |
7.36E-07 |
P(T<=t) one-tail |
0.025549 |
||
|
t Critical one-tail |
1.739607 |
t Critical one-tail |
1.739607 |
||
|
P(T<=t) two-tail |
1.47E-06 |
P(T<=t) two-tail |
0.051098 |
||
|
t Critical two-tail |
2.109816 |
|
t Critical two-tail |
2.109816 |
|
T-test for two sample means’
|
experimental group |
Pretest |
Posttest |
||
|
1 |
10 |
15 |
||
|
2 |
6 |
16 |
||
|
3 |
9 |
20 |
||
|
4 |
11 |
17 |
||
|
5 |
9 |
18 |
||
|
6 |
8 |
22 |
||
|
7 |
13 |
16 |
||
|
8 |
11 |
14 |
||
|
9 |
8 |
15 |
||
|
10 |
11 |
15 |
||
|
11 |
7 |
14 |
||
|
12 |
9 |
17 |
||
|
13 |
12 |
19 |
||
|
14 |
13 |
20 |
||
|
15 |
10 |
11 |
||
|
16 |
10 |
12 |
||
|
17 |
7 |
12 |
||
|
19 |
14 |
14 |
||
|
9.888889 |
15.94444 |
|||
|
control group |
||||
|
1 |
9 |
12 |
||
|
2 |
10 |
10 |
||
|
3 |
11 |
15 |
||
|
4 |
10 |
18 |
||
|
5 |
8 |
13 |
||
|
6 |
11 |
17 |
||
|
7 |
9 |
15 |
||
|
8 |
10 |
19 |
||
|
9 |
9 |
16 |
||
|
10 |
8 |
15 |
||
|
11 |
5 |
10 |
||
|
12 |
9 |
14 |
||
|
13 |
12 |
14 |
||
|
14 |
7 |
13 |
||
|
15 |
6 |
10 |
||
|
16 |
9 |
13 |
||
|
17 |
11 |
12 |
||
|
18 |
7 |
14 |
||
|
19 |
8 |
10 |
||
|
8.894737 |
13.68421 |
|||
