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.

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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.

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.
Open spreadsheet
a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job.
20
weeks (to whole number)
b. At 95% confidence, what is the margin of error? Please round the answer to four decimal places.
13.3730
(to 4 decimals)
c. What is the 95% confidence interval estimate of the mean? Please round the answer to two decimal places.
( 16.02
24.58
X) weeks
Check My Work
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Transcribed Image Text: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. Open spreadsheet a. Provide a point estimate of the population mean number of weeks it takes a worker aged 55 plus to find a job. 20 weeks (to whole number) b. At 95% confidence, what is the margin of error? Please round the answer to four decimal places. 13.3730 (to 4 decimals) c. What is the 95% confidence interval estimate of the mean? Please round the answer to two decimal places. ( 16.02 24.58 X) weeks Check My Work Reset Problem
Job Search Time
(Weeks)
Formula
19
Sample mean
#N/A
22
27
Standard Deviation
#N/A
46
47
Confidence Level
0.95
17
14
Sigfinicance Level (Alpha)
#N/A
12
1
Sample Size
#N/A
19
31
Margin of error (4 decimals)
#N/A
20
C.I. Lower Limit
C.I. Upper Limit
18
#N/A
43
#N/A
10
34
1
11
18
7
31
23
10
32
8
7
4
Transcribed Image Text:Job Search Time (Weeks) Formula 19 Sample mean #N/A 22 27 Standard Deviation #N/A 46 47 Confidence Level 0.95 17 14 Sigfinicance Level (Alpha) #N/A 12 1 Sample Size #N/A 19 31 Margin of error (4 decimals) #N/A 20 C.I. Lower Limit C.I. Upper Limit 18 #N/A 43 #N/A 10 34 1 11 18 7 31 23 10 32 8 7 4
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