Multiple Choice
A study was done to determine if students learn better in an online basic statistics class versus a traditional face-to-face (f2f) course.A random sample of 12 students in an online course and 15 students in an f2f course was taken.The scores (out of 100) on the final exam of both groups are shown below. 
Should a pooled t procedure be used here?
A) Yes,the standard errors are close.
B) Yes,standard deviations are close enough.
C) No,the sample sizes are not close.
D) No,the standard errors are not close enough.
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Twelve runners are asked to run a
Q2: Let n<sub>1</sub> represent the sample size of
Q3: A simple random sample should be used
Q4: The heights (in inches)of men in the
Q6: Large sample sizes are needed to find
Q7: When the underlying assumptions for the use
Q8: Two-sample t procedures are more robust than
Q9: The pooled two-sample t procedure is based
Q10: When calculating a one-sample t confidence interval,which
Q11: A test of significance is to be