Three male and three female students recorded the number of times they used a credit card in
Question:
(a) Calculate s2pooled;
(b) Give an estimate of the common standard deviation for the wing size for the two species.
(c) Evaluate the t statistic for testing equality of the two population mean wing sizes.
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Male 6 Female1 5 3
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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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