Problem
Use the excel chart attached
Based on the class sample, you will create a 95% confidence interval for the mean age and the proportion of males in the population of all online college students. Using the same sheet as part 2, answer the following in the "week 5" tab:
A. For the average age, form a 95% confidence interval:
a. What distribution should be used?
b. What is the critical value?
c. What is the error bound?
d. What is the lower bound?
e. What is the upper bound?
B. For the proportion of males, form a 95% confidence interval:
a. What distribution should be used?
b. What is the critical value?
c. What is the error bound?
d. What is the lower bound?
e. What is the upper bound?
The response should include a reference list. Using double-space, Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.
Attachment:- Project-Data.rar