The owner of Giant Fish supermarket wants to know if the proportion of grocery shoppers who regularly shop at his store is the same on the east and west sides of Columbus. Your survey 800 shoppers on the east side of Columbus and find that 358 of them sshop at Giant Fish regularly. Conduct a trst to determine if proportion of shoppers who regularly partonize Giant Fish supermarket is the same on the east ans west sides of Columbus. Use aplha of .05 to conduct the test.

A) (10) Show All 5 Steps of Hypothesis Testing and interpret your decision

Hypotheses:

The value of the test statitic is ________ and the p-value is ________

Decision:

Interpretation:

B) Construct a 95% confidence interval for the proportion of people who regularly shop at Giant Fish supermarket on the WEST side of Columbus.

C) Interpret the interval

The owner of Giant Fish supermarket is interested in the average of age of shoppers in the store. Create and interpret a 95% confidence interval for the avarage age of customers in Giant Fish Market.

A. Interval:

B. Interpretation:

C. What is the point estimate for the average age of ahoppers at Giant Fish supermarket.

D. What is the margin of error?

E. The U.S. Supermarket Marketing Group reported that the average age of supermarket shoppers is 43.5 years. Are the shoppers at Giant Fish a significantly different age than the national average?