The regression equation is reported as y=43.41x+77.98 and  the r2=0.2025. What is the correlation coefficient for this data set? r =

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter4: Linear Functions
Section4.3: Fitting Linear Models To Data
Problem 4SE: Explain the difference between a positive and anegative correlation coefficient.
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You generate a scatter plot using Minitab. You then have Minitab plot the regression line and report the equation and the r2 value. The regression equation is reported as y=43.41x+77.98 and  the r2=0.2025.

What is the correlation coefficient for this data set?
r =

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