The frequencies in a contingency table can be written as relative frequencies by dividing each frequency by the sample size. The contingency table below shows the number of U.S. adults (in millions)...

The frequencies in a contingency table can be written as relative frequencies by dividing each frequency by the sample size. The contingency table below shows the number of U.S. adults (in millions) ages 25 and over by employment status and educational attainment.

27. Rewrite the contingency table using relative frequencies.

28. What percent of U.S. adults ages 25 and over

(a) have a degree and are unemployed?

(b) have some college education, but no degree, and are not in the labor force?

(c) are employed and high school graduates?

(d) are not in the labor force?

(e) are high school graduates?

29. Explain why you cannot perform the chi-square independence test on these data.