An introduction to statistical learning: with applications in R
13th Edition
ISBN: 9781461471387
Author: James, Gareth, Witten, Daniela, Hastie, Trevor, TIBSHIRANI, Robert
Publisher: MPS (CC)
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Chapter 3, Problem 1E
Explanation of Solution
Null hypothesis
- The null hypothesis is about the advertising budgets of TV, radio or newspaper having no effect on sales.
- The corresponding p-values are highly significant for TV and radio but not significant for newspaper.
- Hence it is concluded that newspaper advertising budget do not affect sales.
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An introduction to statistical learning: with applications in R
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