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 half way between 20 and 30.
D) Cannot be determined without more information.
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Two separate samples,each with n = 10
Q19: If other factors are held constant,the larger
Q35: Which of the following is the correct
Q36: If other factors are held constant,which of
Q38: If an independent-measures t statistic has df
Q39: Two separate samples are being used to
Q40: In an independent-measures hypothesis test, what must
Q51: An independent-measures study has M<sub>1</sub> = 49
Q57: An independent-measures study produces sample means of
Q60: An independent-measures study comparing two treatment conditions