Suppose that measurements of the size of butterfly wings (cm) for two related species yielded the data
Question:
(a) Calculate s2pooled;
(b) Give an estimate of the common standard deviation for the number of uses.
(c) Evaluate the t statistic for testing equality of the two population mean number of uses.
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Species 6 4 7 3 Species 2 6 9 6
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a We first obtain Consequently the pooled variance ...View the full answer
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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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