5 34 Husbands and wives The mean height of American women in
Last updated: 6/23/2023
5 34 Husbands and wives The mean height of American women in their twenties is about 64 3 inches and the standard deviation is about 2 7 inches The mean height of men the same age is about 69 9 inches with standard deviation about 3 1 inches Suppose that the correlation between the heights of husbands and wives is about r 0 5 310 a What are the slope and intercept of the regression line of the husband s height on the wife s height in young couples Interpret the slope in the context of the problem b Draw a graph of this regression line for heights of wives between 56 and 72 inches Predict the height of the husband of a woman who is 67 inches tall and plot the wife s height and predicted husband s height on your graph c You don t expect this prediction for a single couple to be very accurate