A national home builder wants to compare the prices per 1000 board feet of standard or better

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A national home builder wants to compare the prices per 1000 board feet of standard or better grade green Douglas fir framing lumber. He randomly selects five suppliers in each of the four states where the builder is planning to begin construction. The prices are given in the table.
A national home builder wants to compare the prices per

a. What type of experimental design has been used?
b. Construct the analysis of variance table for this data.
c. Do the data provide sufficient evidence to indicate that the average price per 1000 board feet of Douglas fir differs among the four states? Test using a = .05.

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Related Book For  book-img-for-question

Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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