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Author Question: In research, the probability that any data score will be within a certain range of a mean value is ... (Read 61 times)

leilurhhh

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on: Jul 8, 2018
In research, the probability that any data score will be within a certain range of a mean value is calculated based on the theory of
 
  a. frequency.
  b. inference.
  c. levels of significance.
  d. the normal curve.

Question 2

A researcher plans to apply a one-tailed test of significance when analyzing data from a study. Which is true about using this test?
 
  a. The researcher will be unable to predict whether differences are greater than or less than the mean value.
  b. This is a nondirectional hypothesis, so values will not have a tendency to vary in a specific direction.
  c. This may increase the possibility of a Type I error when evaluating the significance of the findings.
  d. This will decrease the possibility of a Type II error when drawing conclusions about the data.


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Bison

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Reply #1 on: Jul 8, 2018
Answer to Question 1

ANS: D

Answer to Question 2

ANS: D


leilurhhh

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Reply 2 on: Jul 8, 2018
Wow, this really help

phuda

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Reply 3 on: Yesterday
Gracias!

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