Using the linear correlation coefficient given above, calculate and give the value of the coefficient of determination. Explain in a sentence what this means in the context of this example, treating gpa as a predicto
Using the linear correlation coefficient given above, calculate and give the value of the coefficient of determination. Explain in a sentence what this means in the context of this example, treating gpa as a predicto
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Using the linear
Transcribed Image Text:iNZight Summary
Response/outcome variable: salary (numeric)
Predictor/explanatory variable: gpa (numeric)
Total number of observations: 96
Summary of salary versus gpa:
Linear trend:
salary = -1611 + 581 *
gpa
Linear correlation: 0.52
Rank correlation: 0.51 (using Spearman's Rank Correlation)
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II
Expert Solution
Step 1
Obtain the value of r2.
The value of r2 is obtained below as follows:
From the given information, it is clear that the value of correlation coefficient is 0.52
The required value is,
Thus, the value of r2 is 0.2704.
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