The following data represent a sample of a day's water consumption and the high temperature for that day. A. 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. B. Evaluate the regression model by calculating sẹ , by calculating r2, and by testing the slope. Let a = 0.01. (You are not allowed to use Regression Module in Excel) (Do not round the intermediate values. Round your answers to 6 decimal places, e.g. 1.758932.) Water Use (millions of liters) Temperature (degrees Celsius) 829 40 212 4 404 488 26 257 11 697 36 566 32 424 24 25

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The following data represent a sample of a day's water consumption and the high temperature for
that day.
A. 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.
B. Evaluate the regression model by calculating se , by calculating r2, and by testing the slope. Let a =
0.01.
(You are not allowed to use Regression Module in Excel) (Do not round the intermediate
values. Round your answers to 6 decimal places, e.g. 1.758932.)
Water Use
(millions of
liters)
Temperature
(degrees
Celsius)
829
40
212
4
404
25
488
26
257
11
697
36
566
32
424
24
Transcribed Image Text:The following data represent a sample of a day's water consumption and the high temperature for that day. A. 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. B. Evaluate the regression model by calculating se , by calculating r2, and by testing the slope. Let a = 0.01. (You are not allowed to use Regression Module in Excel) (Do not round the intermediate values. Round your answers to 6 decimal places, e.g. 1.758932.) Water Use (millions of liters) Temperature (degrees Celsius) 829 40 212 4 404 25 488 26 257 11 697 36 566 32 424 24
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