Refer to Exercise 1, where we are trying to link daily temperature (x) and coffee sales (y).
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Refer to Exercise 1, where we are trying to link daily temperature (x) and coffee sales (y). The estimated regression equation turned out to be ŷ = 660 – 6.8x. Can we reject the null hypothesis that the population slope is 0, at the 5% significance level? Explain the implications of your answer.
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The estimated regression equation is 660 68 x x y y y 2 x x 2 50 350 320 30 900 20 40...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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