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Author Question: A negative correlation means that decreases in the X variable tend to be accompanied by decreases in ... (Read 73 times)

joe

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on: Jun 20, 2018
A negative correlation means that decreases in the X variable tend to be accompanied by decreases in the Y variable.
 
  Indicate whether the statement is true or false

Question 2

A random sample of n = 4 scores is obtained from a normal population with  = 20 and  = 4. What is the probability that the sample mean will be greater than M = 22?
 
  A) 0.50
  B) 1.00
  C) 0.1587
  D) 0.3085


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trampas

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

False

Answer to Question 2

C


joe

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

alvinum

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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