Multiple Choice
The Kruskal-Wallis test is to be used to determine whether there is a significant difference in the satisfaction rating (alpha = 0.05) between three brands of boxed cake mix.Shoppers were asked to rate their satisfaction on various attributes and an aggregate satisfaction score ranging from 1-50 was computed.The following data were obtained: For this test, how many degrees of freedom should be used?
A) 3
B) 2
C) 4
D) 8
E) 1
Correct Answer:

Verified
Correct Answer:
Verified
Q13: A researcher wants to determine the
Q14: Nonparametric statistics are sometimes called distribution-dependent statistics.
Q15: A quality control supervisor wishes to
Q16: Four types of bicycle tires are
Q17: Performance records for 18 salespersons are
Q19: The appropriate test for comparing the means
Q20: The nonparametric alternative to linear regression is
Q21: The one-sample runs test is a nonparametric
Q22: The nonparametric counterpart of the t test
Q23: The null hypothesis for a one-sample runs