Math Problem Statement

Values of X and Y were recorded for an additional three weeks, and the correlation coefficient, r, for the augmented data set was found to be r = 0.91.Which of the following statements best interprets this result?A.There is a weak positive linear association between the two variables.B.There is a weak negative linear association between the two variables.C.There is a strong negative linear association between the two variables.D.There is a strong positive linear association between the two variables.

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Correlation
Linear Association

Formulas

Correlation Coefficient (r) Formula

Theorems

Interpretation of Correlation Coefficient

Suitable Grade Level

Grades 10-12