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Author Question: The statistic (n - 1)s2 / 2 has a chi-squared distribution with n - 1 degrees of freedom if: a. the ... (Read 104 times)

theo

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on: Jun 24, 2018
The statistic (n - 1)s2 / 2 has a chi-squared distribution with n - 1 degrees of freedom if:
 a. the sample has a Student t-distribution with degrees of freedom equal to n - 1.
  b. the sample is normally distributed with variance equal to s2.
  c. the population is normally distributed with variance equal to 2.
  d. All of these choices are true.

Question 2

To apply the Friedman test to determine whether the locations of two or more populations are the same, the samples must be:
 a. from a randomized block experiment.
  b. from normal populations.
  c. independent.
  d. All of these choices are true.


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kxciann

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

C

Answer to Question 2

A


theo

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Reply 2 on: Jun 24, 2018
Gracias!

bdobbins

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Reply 3 on: Yesterday
Excellent

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