Suppose that the correlation between the scores of students on Exam 1 and Exam 2 in a statistics class is r = 0.7. One way to use r is to compute the percent of the variation in Exam 2 scores that can be explained by the straight-line relationship between Exam 2 scores and Exam 1 scores. This percent is about A. 49% B. 7% C. 84% D. 70% E. 30%

Suppose that the correlation between the scores of students on Exam 1 and Exam 2 in a statistics class is r = 0.7. One way to use r is to compute the percent of the variation in Exam 2 scores that can be explained by the straight-line relationship between Exam 2 scores and Exam 1 scores. This percent is about A. 49% B. 7% C. 84% D. 70% E. 30%

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 15PPS

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Question

	A.	49%
	B.	7%
	C.	84%
	D.	70%
	E.	30%

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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