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Author Question: Power analysis is used to estimate the sample size needed to adequately test research hypotheses. ... (Read 59 times)

codyclark

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  • Posts: 538
on: Jul 8, 2018
Power analysis is used to estimate the sample size needed to adequately test research hypotheses.
 
  A) True
  B) False

Question 2

Assuming a normal distribution, about what proportion of a sample lies between the mean and 2 SDs above the mean?
 
  A) 34
  B) 47
  C) 68
  D) 95


lin77x

  • Sr. Member
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  • Posts: 326
Reply #1 on: Jul 8, 2018
Answer to Question 1

A

Answer to Question 2

B


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