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Author Question: A sample of n = 20 scores is transformed into z-scores. What is the mean for the set of 20 z-scores? ... (Read 62 times)

Kikoku

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  • Posts: 540
on: Jun 20, 2018
A sample of n = 20 scores is transformed into z-scores. What is the mean for the set of 20 z-scores?
 
  a. 0
  b. 1
  c. 10
  d. Cannot be determined without more information

Question 2

For an exam with a mean of M = 74 and a standard deviation of s = 8, Mary has a score of X = 80, Bob's score corresponds to z = +1.50, and Sue's score is located above the mean by 10 points. If the students are placed in order from smallest score to largest score, what is the correct order?
 
  a. Bob, Mary, Sue c. Mary, Bob, Sue
  b. Sue, Bob, Mary d. Mary, Sue, Bob


tennis14576

  • Sr. Member
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  • Posts: 334
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

D


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