Find the power of the hypothesis test for each of the following: The researcher uses a two-tailed hypothesis test with α = 0.05 to determine if the data indicate a significant change in IQ over the past 10 years. The researcher uses a one tailed hypothesis test with α = 0.05 to determine if the data indicate a significant increase in IQ over the past 10 years.

BuyFind

Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781305504912
BuyFind

Statistics for The Behavioral Scie...

10th Edition
Frederick J Gravetter + 1 other
Publisher: Cengage Learning
ISBN: 9781305504912

Solutions

Chapter 8, Problem 21P
To determine

Find the power of the hypothesis test for each of the following:

  1. The researcher uses a two-tailed hypothesis test with α=0.05 to determine if the data indicate a significant change in IQ over the past 10 years.
  2. The researcher uses a one tailed hypothesis test with α=0.05 to determine if the data indicate a significant increase in IQ over the past 10 years.

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