Independent random samples selected from two normal populations produced the following sample means and standard deviations: a.
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Independent random samples selected from two normal populations produced the following sample means and standard deviations:
a. Assuming equal variances, conduct the test H0: 1m1 - m22 = 0 against Ha: 1m1 - m22 0 using a = .05.
b. Find and interpret the 95% confidence interval for 1m1 - m22.
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Related Book For 
Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package
ISBN: 978-0134090436
13th Edition
Authors: James Mcclave ,Terry Sincich
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