Ledolter and Hogg report that a civil engineer wishes to compare the strengths of three different types
Question:
(a) Use these data, α = 0.05, and the F test to test the equality of the three means.
(b) For each set of data, construct box-and-whisker diagrams on the same figure and give an interpretation of your diagrams.
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Related Book For
Probability and Statistical Inference
ISBN: 978-0321923271
9th edition
Authors: Robert V. Hogg, Elliot Tanis, Dale Zimmerman
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