The following table shows the hot dogs bought from a street vendor over the course of eight

Question:

The following table shows the hot dogs bought from a street vendor over the course of eight days (“Demand”). Also shown is the temperature for each day in degrees Celsius.

Temperature

(˚C) Demand Temperature

(˚C) Demand 20 48 7 18 11 30 12 23 23 36 18 42 18 40 21 33

a. Calculate the slope and y-intercept for the linear regression equation for these data.

b. Predict the demand for hot dogs on a day with a temperature of 15°C.

c. Verify your results using Excel.

AppendixLO1

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Business Statistics

ISBN: 9780133852288

2nd Edition

Authors: Robert A Donnelly, Robert Donnelly Jr

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