Refer to Exercise 1, where are trying to link daily temperature (x) and coffee sales (y). The
Question:
Refer to Exercise 1, where are trying to link daily temperature (x) and coffee sales (y). The estimated regression equation turned out to be ŷ = 660 – 6.8x.
a. Show the 95% confidence interval estimate of the “population” intercept,. Interpret your interval.
b. Show the 95% confidence interval estimate of the “population” slope,. Interpret your interval.
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The estimated regression equation is 660 68 x x y y y 2 x 2 x x 2 50 350 320 30 900 2500 20 400 70 2...View the full answer
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Related Book For 
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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