Question

5.

A practice tutorial session was conducted before the exam. The examiner wans to know if the practice tutorial session helped in increasing the percentage of students who passed.

Using 5% critical probability, can the examiner conclude if the test is effective.

	Passed	Failed
Didn’t take practice tutorial	23	62
Took practice tutorials	41	11

Answer 1

Following table shows the row total and column total:

	Passed	Failed	Total
Didn’t take practice tutorial	23	62	85
Took practice tutorials	41	11	52
Total	64	73	137

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Conclusion: The examiner can conclude that the test is effective