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

Question

Citrus2011 [14]

3 years ago

14

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. 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

Mathematics

2 answers:

Ivahew [28] · Answer 1 · 2022-08-01T15:54:49+03:00

Ivahew [28]3 years ago

5 0

Answer:

Step-by-step explanation:

Sample mean = 21

Standard deviation = 15.255

Confidence level = 0.95

Significance level = 0.05

Sample size = 40

Margin of Error = 4.73

CL Lower limit = 15.9975

CL = Upper Limit = 25.45

mote1985 [20] · Answer 2 · 2022-08-01T13:55:38+03:00

mote1985 [20]3 years ago

3 0

Answer:

34

Step-by-step explanation:

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