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Can the consumption of water in a city be predicted by temperature? The following data represent a sample of a day's water consumption and the high temperature for that day. Water Use Temperature (millions of gallons) (degrees Fahrenheit) 219 .............

Can the consumption of water in a city be predicted by temperature? The following data represent a sample of a day's water consumption and the high temperature for that day.

Water Use Temperature

(millions of gallons) (degrees Fahrenheit)

219 ............. 103◦

56 .............39

107 .............77

129 .............78

68 .............50

184 .............96

150 .............90

112 .............75

Develop a least squares regression line to predict the amount of water used in a day in a city by the high temperature for that day. What would be the predicted water usage for a temperature of 100_? Evaluate the regression model by calculating se , by calculating r 2, and by testing the slope. Let = .01.


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Let Water use y and Temperature x x 608 x 2 49 584 y 1 025 y 2 152 711 b 1 2 40107 xy 86 006 …View the full answer


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Related Book For  answer-question
Business Statistics for Contemporary Decision Making

Business Statistics for Contemporary Decision Making

ISBN: 978-0470910184

6th Edition

Authors: Ken Black

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Posted Date: March 19, 2013 05:51:23
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