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Author Question: A random variable is any variable the numerical value of which is determined by a random experiment, ... (Read 133 times)

debasdf

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on: Jul 24, 2018
A random variable is any variable the numerical value of which is determined by a random experiment, and, thus, by chance.
  Indicate whether the statement is true or false

Question 2

A chi-square test of independence is applied to a contingency table with 4 rows and 5 columns for two qualitative variables. The degrees of freedom for this test will be:
 a. 20.
  b. 16.
  c. 15.
  d. 12.


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braelync

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

T

Answer to Question 2

D


debasdf

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

duy1981999

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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