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Author Question: The distribution of differences between means is a. normally distributed for very large samples. ... (Read 35 times)

Bob-Dole

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on: Jun 20, 2018
The distribution of differences between means is
 
  a. normally distributed for very large samples.
  b. approaches normal as sample sizes increase.
  c. may be nonnormal for small samples.
  d. all of the above.

Question 2

When testing the means of independent samples, the null hypothesis is best thought of as
 
  a. the mean of population 1 is equal to the mean of population 2.
  b. the mean of population 1 is unequal to the mean of population 2.
  c. the mean of a set of difference scores is equal to 0.
  d. the two population means don't differ by more than 10 points.


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jojobee318

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Reply #1 on: Jun 20, 2018
Answer to Question 1

D

Answer to Question 2

A


Bob-Dole

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Reply 2 on: Jun 20, 2018
Great answer, keep it coming :)

vickybb89

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Reply 3 on: Yesterday
Excellent

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