Statistics

Pre-test

Post-test

Valid

40

40

Missing

0

0

Mean

11.9250

16.5000

Median

12.0000

17.0000

Mode

11.00

15.00^a

Std. deviation

2.41138

2.24179

Variance

5.815

5.026

Range

12.00

9.00

Sum

477.00

660.00