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Question 7: Data showing the number of people in 9 households against weekly grocery costs are given below. Number of people in household Weekly grocery costs ($) 2 5 6 C. 60 180 210 3 120 a. Calculate the correlation coefficient (r) for the data. 4 b. Calculate the coefficient of determination (r²) for the data. 150 160 5 Interpret the value of the coefficient of determination. 6 2 65 3 200 90

Question 7: Data showing the number of people in 9 households against weekly grocery costs are given below. Number of people in household Weekly grocery costs ($) 2 5 6 C. 60 180 210 3 120 a. Calculate the correlation coefficient (r) for the data. 4 b. Calculate the coefficient of determination (r²) for the data. 150 160 5 Interpret the value of the coefficient of determination. 6 2 65 3 200 90

MATLAB: An Introduction with Applications
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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Question 7: Data showing the number of people in 9 households against weekly grocery costs are given below. Number of people in household Weekly grocery costs ($) a. C. 2 5 Linear Associations 6 Question 8. 60 180 210 3 Calculate the correlation coefficient (r) for the data. 120 b. Calculate the coefficient of determination (r2) for the data. 4 Interpret the value of the coefficient of determination. 150 160 5 2 65 6 200 3 90 has of dialysis
Transcribed Image Text:Question 7: Data showing the number of people in 9 households against weekly grocery costs are given below. Number of people in household Weekly grocery costs ($) a. C. 2 5 Linear Associations 6 Question 8. 60 180 210 3 Calculate the correlation coefficient (r) for the data. 120 b. Calculate the coefficient of determination (r2) for the data. 4 Interpret the value of the coefficient of determination. 150 160 5 2 65 6 200 3 90 has of dialysis
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