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Study Hours Test Score Student (X) |(Y) 1 5 50 2 7 60 3 6 65 4 8 70 5 4 45 6 ☐ 10 85 80 8 13 40 9 7 60 10 6 CO 55

Study Hours Test Score Student (X) |(Y) 1 5 50 2 7 60 3 6 65 4 8 70 5 4 45 6 ☐ 10 85 80 8 13 40 9 7 60 10 6 CO 55

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter1: Fundamental Concepts Of Algebra
Section1.4: Fractional Expressions
Problem 37E
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Calculate the mean for Study Hours and Test Scores.

 Compute the covariance between the two variables using the formula:

Calculate the standard deviation for Study Hours (X) and Test Scores (Y).

Determine the correlation coefficient

Interpret the results: What does the calculated r-value indicate about the relationship between study hours and test scores?

 

Study Hours Test Score Student (X) |(Y) 1 5 50 2 7 60 3 6 65 4 8 70 5 4 45 6 ☐ 10 85 80 8 13 40 9 7 60 10 6 CO 55
Transcribed Image Text:Study Hours Test Score Student (X) |(Y) 1 5 50 2 7 60 3 6 65 4 8 70 5 4 45 6 ☐ 10 85 80 8 13 40 9 7 60 10 6 CO 55
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