Author Question: One sample has n = 10 scores and a variance of s2 = 20, and a second sample has n = 15 scores and a ... (Read 90 times)

madam-professor · **on:** Jun 20, 2018

One sample has n = 10 scores and a variance of s2 = 20, and a second sample has n = 15 scores and a variance of s2 = 30.What can you conclude about the pooled variance for these two samples?

A) It will be closer to 20 than to 30.
B) It will be closer to 30 than to 20.
C) It will be exactly half way between 20 and 30.
D) It will be equal to 25.

Question 2

For a severely skewed distribution, the median often provides a better measure of central tendency than the mean.

Indicate whether the statement is true or false