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The Kruskal-Wallis method tests the hypothesis that ____________ or more population
means are equal.
What is the difference between chi-square nonparametric tests and nonparametric tests
based on ranks?
To test the hypothesis that two population variances are equal, a random sample of size
13 was selected from the first population, and a random sample of size 21 was selected
from the second population. What are the degrees of freedom to test the hypothesis?
Refer to the following breakdown of responses to a survey of room cleanliness in a
hotel.
Draw a pie chart that illustrates the relative frequencies.
A ______ chart is useful for displaying a relative frequency distribution.
