An experiment is designed to compare the average salaries of employees in a particular position in two competing companies. The null hypothesis is assumed to be that there is no difference in the average salaries of employees in a particular position in the two companies. What is the alternative hypothesis?
A) There is a difference in the average salaries that is equal to the standard deviation.
B) There is no difference in the average salaries.
C) There is a difference in the average salaries.
D) The average salaries are equal.

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