posted by Robert .
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 and III only
I, II, and III
I and III only