Independent random samples selected from two normal populations produced the following sample means and standard deviations: Sample
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Independent random samples selected from two normal populations produced the following sample means and standard deviations:
Sample 1 ....Sample 2
n1 = 17 ...... n2 = 12
x̄1 = 5.4 ......x̄2 = 7.9
s1 = 3.4 .....s2 = 4.8
a. Assuming equal variances, conduct the test H0: (µ1 - µ2) = 0 against Ha: (µ1 - µ2) = 0 using α = .05.
b. Find and interpret the 95% confidence interval for (µ1 - µ2).
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a Some preliminary calculations are To determine if there is a difference in the me...View the full answer
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