Question

1-

The mean age of bus drivers in Chicago is 55.3 years. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?

A.There is sufficient evidence to support the claim u= 55.3

B. There is sufficient evidence to reject the claim u = 55.3

C.There is not sufficient evidence to reject the claim u = 55.3

D.There is not sufficient evidence to support the claim u = 55.3.

2-

The dean of a major university claims that the mean time for students to earn a Master's degree is at most 3.4 years. If a hypothesis test is performed, how should you interpret a decision that fails to reject the null hypothesis?

A.There is not sufficient evidence to support the claim u less than or equals3.4

B.There is sufficient evidence to support the claim u less than or equals3.4

C.There is sufficient evidence to reject the claim U less than or equals3.4

D.There is not sufficient evidence to reject the claim u less than or equals3.4.

3- The mean IQ of statistics teachers is greater than 160 If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?

A.There is sufficient evidence to support the claim u greater than160

B. There is sufficient evidence to reject the claim u greater than160

C. There is not sufficient evidence to support the claim u greater than160

D.There is not sufficient evidence to reject the claim u greater than160.

Answer 1