(a) Develop a cross tabulation for the data, with x as the row variable and y as the column variable. For x use classes of 10–29, 30–49, and so on; for y use classes of 20–39, 40–59, and so on. y Grand Total 20–39 40–59 60–79 80–99 x 10–29 30–49 50–69 70–90 Grand Total
(b) Compute the row percentages. (Round your answers to one decimal place.)