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Author Question: Which of the following symbols represents the variance of a population? a. 2 b. c. d. ... (Read 70 times)

Sportsfan2111

  • Hero Member
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  • Posts: 585
on: Jun 24, 2018
Which of the following symbols represents the variance of a population?
 a.  2
  b.
  c.
  d. x

Question 2

A sample of 75 information systems managers had an average hourly income of 40.75 with a standard deviation of 7.00 . The value of the margin of error at 95 confidence is
 a. 80.83.
   b. 7.00.
   c. .81.
   d. 1.61.


karlss

  • Sr. Member
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  • Posts: 321
Reply #1 on: Jun 24, 2018
Answer to Question 1

a

Answer to Question 2

d


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