a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job.

weeks (to whole number)

b. At 95% confidence, what is the margin of error? Please round the answer to four decimal places.

(to 4 decimals)

c. What is the 95% confidence interval estimate of the mean? Please round the answer to two decimal places.

(, ) weeks

F A B C D E G H Job Search Time 1 Formula (Weeks) 10 Sample mean #N/A W N 18 27 Standard Deviation #N/A 7 11 Confidence Level 0.95 14 #N/A 52 Sigfinicance Level (Alpha) 9 20 Sample Size #N/A 20 51 Margin of error (4 decimals) #N/A 13 31 C.I. Lower Limit #N/A 12 #N/A 15 22 C.I. Upper Limit 16 2 17 20 18 46 19 10 20 12 21 3 22 37 23 50 24 37 25 43 26 27 27 31 28 15 29 36 30 7 31 48 36 34 10 35 15 36 13 37 10 38 14 39 25 40 45 41 8