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Author Question: A random sample from an unknown population had a sample standard deviation of zero. Which one of the ... (Read 119 times)

cnetterville

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on: Jul 24, 2018
A random sample from an unknown population had a sample standard deviation of zero. Which one of the following is a reasonable conclusion?
 a. The sample range must be zero.
  b. An error was made in computing the sample standard deviation. It must always be greater than zero.
  c. The population standard deviation must be zero.
  d. The population standard deviation must be zero when the mean is zero.
  e. None of these.

Question 2

You have rejected the null hypothesis when it is false, and therefore you have made a
 a. Type A correct decision.
  b. Type B correct decision.
  c. Type I error.
  d. Type II error.


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zacnyjessica

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

A

Answer to Question 2

B


cnetterville

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

Bigfoot1984

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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