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Nizwa College of Technology

Ministry of ManpowerSultanate of Oman

Analyze pre-test/post test results

Hypothetical Data

TraineePre-TestScore

Post TestScore

1 25 29

2 31 34

3 28 30

4 34 34

5 28 406 31 31

7 30 35

8 20 30

9 25 25

10 27 27

11 33 33

12 30 35

13 32 32

14 38 4315 25 30

16 50 48

17 30 35

18 28 26

19 23 25

20 22 24

21 30 32

22 24 30

23 15 20

24 23 28

25 26 27

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Statistical Analysis Table

t-Test: Paired Two Sample for Means

POST-TEST PRE-TEST

Mean 31.41666667 28.45833

Variance 38.86231884 45.56341

Observations 24 24Pearson Correlation 0.859050006

Hypothesized Mean Difference 0

df 23

t Stat 4.161471992

P(T