What results in your departments seem to be correlated or re

What results in your departments seem to be correlated or related to other activities? How could you verify this? Create a null and alternate hypothesis for one of these issues. What are the managerial implications of a correlation between these variables?

Solution

The results of one subject taken by two teachers A and B could be correlated.

The grades aquired by students taught by teacher A can be different from teacher B, but the set of studets are same.

The null hypothesis is H0:rho=o(There is no correlation between the two variables)

Against the lternative hypothesis Ha:rho not equal to zero.