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Consumer Reports provided extensive testing and ratings for more than 100 HDTVs. An overall score, based...

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Basic Math

Consumer Reports provided extensive testing and ratings for morethan 100 HDTVs. An overall score, based primarily on picturequality, was developed for each model. In general, a higher overallscore indicates better performance. The following (hypothetical)data show the price and overall score for the ten 42-inch plasmatelevisions (Consumer Report data slightly changed here): BrandPrice (X) Score (Y) Dell 3800 50 Hisense 2800 45 Hitachi 2700 35JVC 3000 40 LG 3500 45 Maxent 2000 28 Panasonic 4000 57 Phillips3200 48 Proview 2000 22 Samsung 3000 30 Use the above data todevelop and estimated regression equation. Compute Coefficient ofDetermination and correlation coefficient and show their relation.Interpret the explanatory power of the model. Estimate the overallscore for a 42-inch plasma television with a price of $3600.Perform test of significance for slope coefficient.

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anecessary table for finding regression    See Answer
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