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Author Question: A population has a mean of 75 and a standard deviation of 8 . A random sample of 800 is selected. ... (Read 146 times)

Jkov05

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on: Jun 24, 2018
A population has a mean of 75 and a standard deviation of 8 . A random sample of 800 is selected. The expected value of  is
 a. 8
  b. 75
  c. 800
  d. None of these alternatives is correct.

Question 2

The standard deviation of all possible  values is called the
 a. standard error of proportion
  b. standard error of the mean
  c. mean deviation
  d. central variation


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kescobar@64

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Reply #1 on: Jun 24, 2018
Answer to Question 1

B

Answer to Question 2

B


Jkov05

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Reply 2 on: Jun 24, 2018
Wow, this really help

yeungji

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

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