The Kruskal-Wallis Test Statistic Can Be Approximated by a Chi-Squared

question 43

Multiple Choice

The Kruskal-Wallis test statistic can be approximated by a chi-squared distribution with k - 1 degrees of freedom (where k is the number of populations) whenever the sample sizes are all greater than or equal to:

• A) 5
• B) 15
• C) 25
• D) 30
• E) 45