Author Question: If testing for the difference between the means of two related populations, with samples of sizes n1 ... (Read 73 times)

justinmsk · **on:** Jun 24, 2018

If testing for the difference between the means of two related populations, with samples of sizes n1 = n2 = n, where the variance of the differences is unknown, what is the number of degrees of freedom?

A) n - 1
B) 2n - 1
C) 2(n - 1)
D) n - 2

Question 2

The interquartile range is very unique in the sense that it is a measure of central tendency as well as a measure of dispersion.

Indicate whether the statement is true or false