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Author Question: In testing for differences between the means of two independent populations, the null hypothesis is ... (Read 90 times)

casperchen82

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on: Jun 24, 2018
In testing for differences between the means of two independent populations, the null hypothesis is
 
  A) H0 : 1 - 2 = 2. B) H0 : 1 - 2 = 0. C) H0 : 1 - 2 < 2. D) H0 : 1 - 2 > 0.

Question 2

In testing for the differences between the means of 2 independent populations where the variances in each population are unknown but assumed equal, the degrees of freedom are
 
  A) n1 + n2 - 1. B) n - 2. C) n1 + n2 - 2. D) n - 1.


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InfiniteSteez

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

B

Answer to Question 2

C


casperchen82

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Reply 2 on: Jun 24, 2018
Gracias!

amcvicar

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Reply 3 on: Yesterday
Excellent

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