A basketball coach taught three groups of players to shoot free throws, using a different method for each group. After six weeks of practice, she ranked all of the players according to their ability to make free throws. Which test should she use to analyze these data?
A) Mann-Whitney U
B) Kruskal-Wallis
C) Friedman two-way by ranks
D) Chi-square

Question

Quizplus · Accepted Answer

The Kruskal-Wallis test is appropriate here because it is used to compare more than two groups on a ranked or ordinal outcome, which matches the scenario of ranking players' abilities to make free throws across three different training methods.

A Basketball Coach Taught Three Groups of Players to Shoot