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Author Question: The effect size for the data from an independent-measures t test can be measured by r2. Which of the ... (Read 26 times)

JGIBBSON

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on: Jun 20, 2018
The effect size for the data from an independent-measures t test can be measured by r2. Which of the following also produces the value for r2?
 
  A) squaring the Spearman correlation for the same data
  B) squaring the point-biserial correlation for the same data
  C) squaring the Pearson correlation for the same data
  D) taking the square root of the Pearson correlation

Question 2

A random sample of n = 16 scores is obtained from a population with  = 12. If the sample mean is 6 points greater than the population mean, what is the z-score for the sample mean?
 
  A) +6.00
  B) +2.00
  C) +1.00
  D) It cannot be determined without knowing the population mean.


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kescobar@64

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

B

Answer to Question 2

B


JGIBBSON

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Reply #2 on: Jun 20, 2018
Thank you!


kescobar@64

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Reply #3 on: Jun 20, 2018
Happy to help


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