The following table shows the number of weekly television advertisements and the number of cars sold for
Question:
The following table shows the number of weekly television advertisements and the number of cars sold for an 8-week period at a car dealership.
(a) Determine the correlation coefficient between the number of weekly television advertisements and the number of cars sold.
(b) Determine whether a correlation exists at α = 0.05.
(c) Determine the equation of the line of best fit for the number of weekly television advertisements and the number of cars sold.
Round both m and b the nearest hundredth.
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Step by Step Answer:
a b Yes 0920 0707 c X y 15 31 R2 12 225 90 961 62...View the full answer
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Related Book For 
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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