Using the Excel output in Figure 1, what would you conclude testing whether the

Question

Using the Excel output in Figure 1, what would you conclude testing whether the average number of hours students watch TV per week is different from 8 hrs at the 0.05 significance level?

Figure 1: Descriptive statistics on the average number of hours students watch TV per week

Select one:

a. The average number of hours students watch TV per week is equal to 8 hours

b. The population of all students, on average, watch 6.805 hours of TV per week

c. Accept the alternative hypothesis

d. The average number of hours students watch TV per week is different from 8 hours

Using the Excel output in Figure 1 above, what would you conclude to the hypothesis test described in Question 2 at the 0.10 significance level?

Select one:

a. Reject the null hypothesis

b. Fail to reject the null hypothesis

c. Need more information to answer this question

d. Accept the alternative hypothesis

Using the Excel output in Figure 1, what is the lower limit to the 95% confidence interval?

Select one:

a. 5.26

b. 6.25

c. 4.89

d. 4.72

Explanation / Answer

Figure 1: Descriptive statistics on the average number of hours students watch TV per week

Select one:

a. The average number of hours students watch TV per week is equal to 8 hours

Using the Excel output in Figure 1 above, what would you conclude to the hypothesis test described in Question 2 at the 0.10 significance level?

Select one:

a. Reject the null hypothesis

Using the Excel output in Figure 1, what is the lower limit to the 95% confidence interval?

Select one:

a. 5.26

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