The International Rugby Board Calculates Test Statistics for a Mann-Whitney

question 99

Multiple Choice

The International Rugby Board calculates test statistics for a Mann-Whitney U test on tall versus short rugby players and the average ranking for number of goals they score in a season.The smaller calculated test value of the two groups is 5, and the critical value or cutoff for the test is 3.What can the board conclude?

• A) Tall rugby players and short rugby players differ in average goals per season.
• B) Height of the players is strongly correlated with number of goals scored in a rugby game per season.
• C) Short rugby players do not score goals very often.
• D) There is insufficient evidence that tall and short rugby players differ in average goals per season.

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