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9th Edition

David R. Anderson + 4 others

Publisher: South-Western College Pub

ISBN: 9780357045435

Chapter 8.2, Problem 18E

**a.**

To determine

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

**b.**

To determine

Find the margin of error.

**c.**

To determine

Find the 95% confidence interval for population mean.

**d.**

To determine

Discuss the degree of skewness found in the sample data. Write the suggestion.