Question

Retail price data for n = 60 hard disk drives were recently reported in a computer magazine. Three variables were recorded for each hard disk drive y Retail PRICE (measured in dollars) x1 = Microprocessor SPEED (measured in megahertz) (Values in sample range from 10 to 40) x 2 -CHIP size (measured in computer processing units) (Values in sample range from 286 to 486) A first-order regression model was fit to the data. Part of the printout follows Analysis of Variance SOURCE DF SS MS F VALUE TROB 2 MODEL ERROR C TOTAL 34593103.000 51510202936 8643205933 172905504 909477.24131 19.015 0.0001 ROOT MSE 953 66516 R-SQUARE 0.4002 DEP MEAN 319796667 ADJ R-50 0.3792 CV 29 82099 Test to determine if the model is adequate for predicting the price of a computer Use - 0 T TT Arial 31200 T.EE

Answer 1

F VALLE PROB> 19.015 0.0001

p value < 0.01, significant

so, modal is good for predicting price

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Please let me know in case of any doubt.

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