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The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y =left forearm length x = right forearm length 31 30 - 20 - E 28 - 27 - 26 - 25 - 24- 23- 22 - Right arm (cm) Find: One of the four choices is the value of the correlation for this situation. The correlation is A. -o.88 B. 0.00 C. o.88 D. 1.00 The proportion of total variation explained by x, r2 , is closest to A. 78.3% B. 0.0% C. -78.3% D. 100.0% Left am (cm)

The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y =left forearm length x = right forearm length 31 30 - 20 - E 28 - 27 - 26 - 25 - 24- 23- 22 - Right arm (cm) Find: One of the four choices is the value of the correlation for this situation. The correlation is A. -o.88 B. 0.00 C. o.88 D. 1.00 The proportion of total variation explained by x, r2 , is closest to A. 78.3% B. 0.0% C. -78.3% D. 100.0% Left am (cm)

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 24PFA
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The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y =left forearm length x = right forearm length 31- 30 - 29 - E 28 - 27 20 S 26. 22 - 20 17 de to do 31 Right arm (cm) Find: One of the four choices is the value of the correlation for this situation. The correlation is A. -0.88 B. 0.00 C. 0.88 D. 1.00 The proportion of total variation explained by x, r² , is closest to A. 78.3% B. 0.0% C. -78.3% D. 100.0%
Transcribed Image Text:The following scatterplot shows the relationship between the left and right forearm lengths (cm) for 55 college students along with the regression line, where y =left forearm length x = right forearm length 31- 30 - 29 - E 28 - 27 20 S 26. 22 - 20 17 de to do 31 Right arm (cm) Find: One of the four choices is the value of the correlation for this situation. The correlation is A. -0.88 B. 0.00 C. 0.88 D. 1.00 The proportion of total variation explained by x, r² , is closest to A. 78.3% B. 0.0% C. -78.3% D. 100.0%
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