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Statistics / Introduction to Probability and Statistics for Engineers and Scientists 5 / Chapter 10 / Problem 13

Introduction to Probability and Statistics for Engineers and Scientists | 5th Edition | ISBN: 9780123948113 | Authors: Sheldon M. Ross

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QUESTION:

Five servings each of three different brands of processed meat were tested for fat content. The following data (in fat percentage per gram) resulted. Brand 1 2 3 32 41 36 Fat 34 32 37 content 31 33 30 35 29 28 33 35 33 (a) Does the fat content differ depending on the brand? (b) Find confidence intervals for all quantities i j that, with 95 percent confidence, are valid.

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QUESTION:

Five servings each of three different brands of processed meat were tested for fat content. The following data (in fat percentage per gram) resulted. Brand 1 2 3 32 41 36 Fat 34 32 37 content 31 33 30 35 29 28 33 35 33 (a) Does the fat content differ depending on the brand? (b) Find confidence intervals for all quantities i j that, with 95 percent confidence, are valid.

ANSWER:

Step 1 of 6

(a)

Define the null and alternate hypothesis,

Here, denote the difference in mean fat content of ith and jth brand.

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