# Question: Randomly selected consumers in four cities have been interviewed as

Randomly selected consumers in four cities have been interviewed as part of a study by a shoe retailer. Each consumer reported the number of pairs of shoes in his or her closet (each line represents one city) (Table 8.6.5):

a. Estimate the mean number of pairs of shoes for the population representing all four cities combined.

b. Find the standard error for your answer to part a.

c. Find the standard error with and without use of the finite-population correction factor, and compare. Why are they so similar?

a. Estimate the mean number of pairs of shoes for the population representing all four cities combined.

b. Find the standard error for your answer to part a.

c. Find the standard error with and without use of the finite-population correction factor, and compare. Why are they so similar?

**View Solution:**## Answer to relevant Questions

You have chosen a sample of 25 supermarkets out of the 684 you have responsibility for. These 25 have been inspected, and the number of violations of company policy has been recorded. For each of the following quantities, ...Do exercise 2 using the experiences instead of the salaries. a.* List the employee numbers for your sample. b. Find the average salary for your sample and interpret this number. c. Find the standard deviation of salary for ...a. What additional criterion must be satisfied for a one-sided confidence interval to be valid (in addition to the two assumptions needed for a two-sided confidence interval)? b. If in doubt, should you use a one-sided or a ...a. Describe the two assumptions needed for the confidence interval statement to be valid. b. For each assumption, give an example of what could go wrong if it werenâ€™t satisfied. c. How does the central limit theorem help ...A nationwide poll claims that the margin of error is no more than 3 percentage points in either direction (i.e., plus or minus) at the 95% confidence level. a. Verify this claim in a particular case by computing the t table ...Post your question