The accompanying table lists the unemployment rate in 1997 tor a sample of nine countries.

a. Find the mean and median unemployment rate in the sample. Interpret these values.

b. Find the standard deviation of the unemployment rate in the sample.

c. Calculate the z-scores of the unemployment rates of the United States and France.

d. Describe the information conveyed by the sign (positive or negative) of the z-scores you calculated in part c.