Posted by Bob on Thursday, January 24, 2013 at 3:22pm.
Which of the following statements is not true about samples that can be treated as matched pairs data?
I. Data collected on these samples is analyzed by calculating the differences between paired observations and using that data in one sample tests.
II. Each value in the first group of numbers has a relationship to a value in the second group.
III. It's best to analyze related samples by conducting hypothesis tests on the mean from the first and the second groups, in that order.
II only
II and III only
I, II, and III
I and III only
III only

Which of the following statements are true about matched pairs analysis?
I. In a matched pair analysis you use a singlesample procedure. The sample is made up of the difference between pairs of observations.
II. In a matched pairs analysis the two original samples are said to be dependent on each other.
III. In a matched pairs analysis each of the two original samples is analyzed separately before comparing their means.
IV. In a matched pairs analysis you start with two sets of observations on a single variable.
II and III only
III and IV only
I, II, and III only
I and II only
I, II, and IV only

Statistics  MathGuru, Thursday, January 24, 2013 at 6:36pm
I would say "3 only" in the first one, and "1,2,& 4 only" in the second one. Check this!

Statistics  Bec, Wednesday, February 20, 2013 at 3:51pm
"It's best to analyze related samples by conducting hypothesis tests on the mean from the first and the second groups, in that order" is not true, so the answer is D III only
On the second all of them except the samples being analyzed separately are true so I, II, and IV only.
:)
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