(a) Using the regression line, a woman who is 6 feet tall is predicted to weigh ____________________ pounds. (b) The typical size of the errors for predictions made using the regression line is ____________________ pounds. (c) What percent of all the women weigh more than 180 pounds? (d) What percent of women that are 6 feet tall weigh more than 180 pounds?
Data were obtained about women belonging to a gym. The women had an
average height of 67 inches with an SD of 3 inches, and they had an average
weight of 160 pounds, with an SD of 15 pounds. The
and weight was r=0.45. A
horizontal axis and weight on the vertical axis; it was football shaped.
(a) Using the regression line, a woman who is 6 feet tall is predicted to weigh
____________________ pounds.
(b) The typical size of the errors for predictions made using the regression line is
____________________ pounds.
(c) What percent of all the women weigh more than 180 pounds?
(d) What percent of women that are 6 feet tall weigh more than 180 pounds?
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