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 are contained in the Excel Online file below. Construct a spreadsheet to answer the following questions.

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.

Job Search Time (Weeks)

0

42

28

6

15

50

6

49

33

3

7

47

3

5

22

30

15

4

9

10

31

22

16

14

10

19

16

41

5

28

46

17

2

5

43

0

51

46

5

22