The accompanying data shows the results of external disk drives. The regression line is given below. The data omitted a 250GB drive that sold for $303.00 Complete parts a and b
a) find the regression line predicting price from capacity with this hard drive added
price (hat)= ______ + _____ capacity
b)The residual of the new point is ____
Homework Answers
a)
Price =63.602+0.091*capacity
b)
residual =actual -predicted value =303-(63.602+0.091*250) =216.66
Add Answer to:
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x 1 = 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
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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)
x 1 = 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:...
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The Cadet is a popular model of sport utility vehicle, known for its relatively high resale value. The bivariate data given below were taken from a sample of sixteen Cadets, each bought new two years ago, and each sold used within the past month. For each Cadet in the sample, we have listed both the mileage (in thousands of miles) that the Cadet had on its odometer at the time it was sold used and the price y (in thousands...
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