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Author Question: A score that is 2 points higher than the sample mean has a z-score of z = 0.50, and a score of X = ... (Read 120 times)

ETearle

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on: Jun 20, 2018
A score that is 2 points higher than the sample mean has a z-score of z = 0.50, and a score of X = 44 has a z-score of 1.00 . What is the sample mean?
 
  a. M = 40 c. M = 48
  b. M = 46 d. M = 50

Question 2

For a sample with s = 12, a score of X = 73 corresponds to z = 1.00 . What is the sample mean?
 
  a. M = 61 c. M = 79
  b. M = 67 d. M = 85


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CourtneyCNorton

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

C

Answer to Question 2

D


ETearle

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Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it

amit

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Reply 3 on: Yesterday
Wow, this really help

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