# Question

When the 127 workers aged 18–25 in the 2008 GSS were asked how many hours they worked in the previous week, the mean was 37.47 with a standard deviation of 13.63. Does this suggest that the population mean work week for this age group differs from 40 hours? Answer by:

a. Identifying the relevant variable and parameter.

b. Stating null and alternative hypotheses.

c. Finding and interpreting the test statistic value.

d. Reporting and interpreting the P-value and stating the conclusion in context.

a. Identifying the relevant variable and parameter.

b. Stating null and alternative hypotheses.

c. Finding and interpreting the test statistic value.

d. Reporting and interpreting the P-value and stating the conclusion in context.

## Answer to relevant Questions

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