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1) Suppose you want to test whether the return on advertising expenditures is, o

ID: 3151318 • Letter: 1

Question

1) Suppose you want to test whether the return on advertising expenditures is, on average, different between television and radio ads. You do not know the variances of the two populations but you have reason to believe that they are different. Which Excel output corresponds to the correct test?

Figure 5

Select one:

a. A

b. B

c. C

d. D

2) Using Excel output (a) from Figure 5, what would you conclude using a two-tail test with a significance level of 0.10?

a. Advertising expenditures, on average, are equal for TV and Radio Ads

b. Advertising expenditures, on average, are different for TV and Radio Ads

c. On average, more money is spent on TV Ads compared to Radio Ads

d. By selecting this answer I am losing four points on my Exam 2 grade

3) Using Excel output (a) from Figure 5, what is the lowest level of significance for which you would reject the null hypothesis using a two-tail test?

Select one:

a. 0.4108

b. 0.3428

c. 0.6856

d. 0.1000

Explanation / Answer

1) Suppose you want to test whether the return on advertising expenditures is, on average, different between television and radio ads. You do not know the variances of the two populations but you have reason to believe that they are different. Which Excel output corresponds to the correct test?

Figure 5

Select one:

d. D

2) Using Excel output (a) from Figure 5, what would you conclude using a two-tail test with a significance level of 0.10?

a. Advertising expenditures, on average, are equal for TV and Radio Ads

3) Using Excel output (a) from Figure 5, what is the lowest level of significance for which you would reject the null hypothesis using a two-tail test?

Select one:

d. 0.1000