In Excel, please explain the steps to get the answers to the following questions along with the correct answer. Please see the data sheet below.

Older people often have a hard time finding work. AARP reported on the number of weeks it takes a worker aged 55 plus to find a job. The data on number of weeks spent searching for a job contained in the file Q1 are consistent with the AARP findings (AARP Bulletin, April 2008). a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. b. At 95% confidence, what is the margin of error? c. What is the 95% confidence interval estimate of the mean?

Job Search Time (Weeks) 21 14 51 16 17 14 16 12 48 0 27 17 32 24 12 10 52 21 26 14 13 24 19 28 26 26 10 21 44 36 22 39 17 17 10 19 16 22 5 22