Sound engineers studied factors that might affect the output, - 6725

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Sound engineers studied factors that might affect the output, in decibels, of a rock concert’s speaker system. The desired level of significance was a = .05. The results of their ANOVA tests are shown: 

Source of Variation   SS   df   MS   F   P-value 

Amplifier   99.02344       99.02344       0.005718 

Position   93.98698       31.32899   3.215807   0.051003 

Interaction   10.15365   3   3.384549   0.347412   0.791505 

Error   155.875   16   9.742188         

 

Total   359.0391   23             

 

 

The interaction between the Position and Amplifier treatments was

 

A.  very significant 

B.  slightly significant 

C.  insignificant

D.  highly correlated 

 
Solution Description

Sound engineers studied factors that might affect the output, in decibels, of a rock concert’s speaker system. The desired level of significance was a = .05. The results of their ANOVA tests are shown:

Source of Variation   SS   df   MS   F   P-value