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Author Question: If a sample includes three individuals with scores of 2, 3, and 4, the estimated population variance ... (Read 40 times)

P68T

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

A

Answer to Question 2

D


P68T

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  • Posts: 509
Reply 2 on: Jun 20, 2018
Wow, this really help

Laurenleakan

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

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