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 JobSearch are consistent with the AARP findings. 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? d. Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study?
STATISTICS F/BUSINESS+ECONOMICS-TE...
STATISTICS F/BUSINESS+ECONOMICS-TE...
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 JobSearch are consistent with the AARP findings.
- 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?
- d. Discuss the degree of skewness found in the sample data. What suggestion would you make for a repeat of this study?
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