Multiple Choice
An F-test for equality of variances gives a p-value of .003.At = .05,what conclusion can be made about the preferred test to compare the means for the same sample?
A) We would prefer a pooled variance t-test for equality of means.
B) We would not wish to pool the variances in a t-test for equality of means.
C) We would prefer a paired t-test for equality of means.
D) The variances have nothing to do with the t-test for equality of means.
Correct Answer:

Verified
Correct Answer:
Verified
Q7: In a random sample of patient records
Q8: The table below shows the mean number
Q10: The coach of an adult Master's Swim
Q11: A corporate analyst is testing whether mean
Q13: In a left-tailed test comparing two means
Q14: A medical researcher wondered if there is
Q15: The table below shows two samples taken
Q16: The table below compares two samples taken
Q40: A new policy of "flex hours" is
Q113: Jason wants to perform a two-tailed test