Chi square was named and invented by Karl Pearson, the same person who
A) invented the t distribution
B) invented the F ratio
C) invented the correlation coefficient
D) none of the other alternatives are correct

Question

Quizplus · Accepted Answer

Karl Pearson is credited with inventing the correlation coefficient, which is a measure of the strength and direction of association between two continuous variables. This is part of his extensive contributions to the field of statistics, separate from his work on the Chi-square test.

Chi Square Was Named and Invented by Karl Pearson, the Same