Based on a sample of n = 20, the least squares method was used to develop the

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Based on a sample of n = 20, the least squares method was used to develop the following prediction line: ŷ_i = 5 + 3X_i. In addition,

a. Construct a 95% confidence interval estimate of the population mean response for X = 2.

b. Construct a 95% prediction interval of an individual response for X = 2.

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Business Statistics A First Course

ISBN: 9780321979018

7th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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Question Posted: Jul 16, 2015 09:53 PM

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Based on a sample of n = 20, the least squares method was used to develop the

Question:

Syx = 1.01-2 Σ(Xi-X)2 = 20

Step by Step Answer:

a When X 2 5 3X 5 32 11 95 confidence interv...View the full answer

Business Statistics A First Course

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