MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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A school psychologist conducted an intelligence assessment on a group of 75 children from a rural school. She ranked the scores of the intelligence test from the lowest to the highest (first, second, etc.) and examine the relationship of these scores with the student’s grades (academic performance). Since intelligence scores were ranked, which statistic should the psychologist use to examine the relationship between intelligence and academic performance?
A: Chi-squared
B: Spearman's Rho
C: Pearson correlation
D: Point biserial correlation
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