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 correlation between height and weight was r=0.45. A scatterplot was made of the data with height on the 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? 2.
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 correlation between height and weight was r=0.45. A scatterplot was made of the data with height on the 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? 2.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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