Can someone help me?
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?
There is a difference in the average salaries that is equal to the standard deviation.
There is no difference in the average salaries.
The average salaries are equal.
There is a difference in the average salaries.

Question

Can someone help me?
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?
There is a difference in the average salaries that is equal to the standard deviation.
There is no difference in the average salaries.
The average salaries are equal.
There is a difference in the average salaries.

anonymous · Answer

I think it is either A or D