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Author Question: What assumptions are necessary for a comparison of the population variances to be valid? A) At ... (Read 122 times)

Pineappleeh

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on: Jun 24, 2018
What assumptions are necessary for a comparison of the population variances to be valid?
 
  A) At least one of the population variances is known.
  B) The samples are correlated.
  C) One of the samples follows normal distribution and the other follows F distribution.
  D) Both sampled populations are normally distributed.

Question 2

The expected value of a random variable is also called its mean.
 
  Indicate whether the statement is true or false


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jgranad15

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

D

Answer to Question 2

TRUE


Pineappleeh

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Reply 2 on: Jun 24, 2018
:D TYSM

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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