An alternative index of correlation of ranked scores is a statistic proposed by Kendall called:
A)sigma
B)delta
C)tau
D)gamma

Question

Quizplus · Accepted Answer

Kendall's tau is the statistic proposed by Kendall as an alternative index of correlation of ranked scores. It measures the strength of association between two variables and takes into account both the direction and magnitude of the ordinal relationship. It ranges from -1 to 1, where -1 indicates a perfectly negative relationship, 0 indicates no relationship, and 1 indicates a perfectly positive relationship.

An Alternative Index of Correlation of Ranked Scores Is a Statistic