The following measurements of the diameters (in feet) of Indian mounds in southern Wisconsin were gathered by
Question:
(a) Do these data substantiate the conjecture that the population mean diameter is larger than 21 feet? Test at α = .01.
(b) Determine a 90% confidence interval for the population mean diameter of Indian mounds.
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Related Book For
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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