Nintendo Sony would like to test the hypothesis that a difference exists in the average age of users of 3 console games (a Wii, a PlayStation, or an Xbox). The following table shows summary of the data. SUMMARY             Groups Count Sum Average Variance     Wii 5 168 33.6 11.8     PlayStation 5 120 24 3.5     Xbox 5 162 32.4 10.3     Is the equal variance assumption of the ANOVA test violated? Question 1 options:   No, because the ratio is less than 2   Yes, because the ratio is not less than 2   Yes, because the ratio is less than 2   No, because the ratio is not less than 2

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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Nintendo Sony would like to test the hypothesis that a difference exists in the average age of users of 3 console games (a Wii, a PlayStation, or an Xbox).

The following table shows summary of the data.

SUMMARY

           

Groups

Count

Sum

Average

Variance

   

Wii

5

168

33.6

11.8

   

PlayStation

5

120

24

3.5

   

Xbox

5

162

32.4

10.3

 

 

Is the equal variance assumption of the ANOVA test violated?

Question 1 options:

 

No, because the ratio is less than 2

 

Yes, because the ratio is not less than 2

 

Yes, because the ratio is less than 2

 

No, because the ratio is not less than 2

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