8.26 Independent random samples from two normally distributed populations give the following results: nx = 22 x
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8.26 Independent random samples from two normally distributed populations give the following results:
nx = 22 x = 2500 sx = 250 ny = 20 y = 2100 sy = 100 If we do not assume that the unknown population variances are equal, what is the 99% confidence interval for the difference between the population means?
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Related Book For
Essential Mathematics And Statistics For Science
ISBN: 9780470694480
2nd Edition
Authors: Graham Currell, Dr. Antony Dowman
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