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Author Question: Because random assignment is likely to create groups of different sizes, researchers often employ ... (Read 27 times)

geodog55

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on: Jun 19, 2018
Because random assignment is likely to create groups of different sizes, researchers often employ ____.
 
  a. restricted random assignment
  b. matched random assignment
  c. simple random assignment
 d. sampling

Question 2

If you could see all random error in a distribution, it would ____.
 
  a. have a variance equal to the mean
 b. sum to zero
 c. shift the mean in a positive direction
 d. be greater than the population variance


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peter

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Reply #1 on: Jun 19, 2018
Answer to Question 1

a

Answer to Question 2

b


geodog55

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Reply 2 on: Jun 19, 2018
Excellent

Sarahjh

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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