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correlation coefficient,

correlation coefficient,

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 23PFA
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8. The table below summarizes x and y values. Find the sample correlation coefficient, rxy using the formula below or by using calculator regression (do not use Excel). Is there a good linear relationship between x and y? (*see attached image for the table. 

8. The table below summarizes x and y values. Find the sample correlation coefficient, ray using the formula below or by using calculator regression (do not use Excel). Is there a good linear relationship between x and y? (2 points) y 0.0721 0.3891 Ey,(x; – x) 0.0966 0.4375 i=1 0.1238 0.4704 0.1661 0.5089 1/2 0.2337 0.5445 0.2608 0.5580 i=1 i=1 0.3273 0.5826
Transcribed Image Text:8. The table below summarizes x and y values. Find the sample correlation coefficient, ray using the formula below or by using calculator regression (do not use Excel). Is there a good linear relationship between x and y? (2 points) y 0.0721 0.3891 Ey,(x; – x) 0.0966 0.4375 i=1 0.1238 0.4704 0.1661 0.5089 1/2 0.2337 0.5445 0.2608 0.5580 i=1 i=1 0.3273 0.5826
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