Question: SECTION B: ANSWER ANY THREE (3) QUESTIONS 5. a) We have a random sample of 25 fifth grade pupils who can do 15 pushups on

SECTION B: ANSWER ANY THREE (3) QUESTIONS

5. a) We have a random sample of 25 fifth grade pupils who can do 15 pushups on the average, with a standard deviation of 9, after completing a special physical education program. Does this value of 15 differ significantly from the population value of 12? Use 5% level of significance.

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