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Question

Performance records for 18 salespersons are selected to investigate whether compensation methods are a significant motivational factor.
Compensation Method Sales
Straight Salary 18 12 22 28 28

Straight Commission 27 34 34 27 20 16 24
Salary plus Commission 11 17 27 14 30 22

A Kruskal-Wallis test is to be performed with a= 0.01. The calculated K value is _______.
a) 15.086
b) 1.715
c) 7.779
d) 9.210
e) 8.657

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