One Sample Has N = 10 Scores and a Variance

Multiple Choice

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 halfway between 20 and 30.
D) Cannot be determined without more information.