# Question

Refer to the data for problem 1.

a. Find the critical value from the F table at the 0.1% level and report the result of the F test at this level.

b. Summarize what this test has told you about any differences among these ads for consumers in general in this city.

a. Find the critical value from the F table at the 0.1% level and report the result of the F test at this level.

b. Summarize what this test has told you about any differences among these ads for consumers in general in this city.

## Answer to relevant Questions

Refer to the data for problem 1. a. Find the average difference between the effectiveness of ad 1 and that of ad 2 (computed as ad 2 minus ad 1). b.* Find the standard error for this average difference. c. How many degrees ...Refer to the data for problem 6. a. Find the critical value from the F table at the 10% level and report the result of the F test at this level. b. Summarize what this F test has told you about the comparative abilities of ...a. Describe the data set consisting of two unpaired samples. b. What hypotheses would ordinarily be tested for such data? a. For a continuous population, which measure of typical value is the sign test concerned with? b. What probability distribution does this test rely on? c. Suppose the population is discrete and an appreciable fraction of ...The number of items returned for each of the past 9 days was 13, 8, 36, 18, 6, 4, 39, 47, and 21. Test to see if the median number returned is significantly different from 40 and find the p-value (as either p > 0.05, p < ...Post your question

0