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Author Question: If a sample includes three individuals with scores of 2, 3, and 4, the estimated population variance ... (Read 70 times)

P68T

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If a sample includes three individuals with scores of 2, 3, and 4, the estimated population variance is
 
  A) 1
  B) 1.33
  C) 2
  D) 3.67

Question 2

If the mean score on a creativity test is 20, the standard deviation is 5, and the distribution is normal, the percentage of people who would obtain scores between 15 and 25 is
 
  A) 34
  B) 14 + 34 = 48
  C) 50
  D) 34 + 34 = 68



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macagnavarro

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Answer to Question 1

A

Answer to Question 2

D




P68T

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Reply 2 on: Jun 20, 2018
:D TYSM


cpetit11

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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