Independent random samples from normal populations produced the following results: a. Calculate the pooled estimate of s2.

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Independent random samples from normal populations produced the following results: image text in transcribed

a. Calculate the pooled estimate of s2.

b. Do the data provide sufficient evidence to indicate that m2 7 m1? Test, using a = .10.

c. Find a 90% confidence interval for 1m1 - m22.

d. Which of the two inferential procedures, the test of hypothesis in part b or the confidence interval in part

c, provides more information about 1m1 - m22?

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Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package

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Independent random samples from normal populations produced the following results: a. Calculate the pooled estimate of s2.

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Sample 1 Sample 2 1.2 4.2 3.1 2.7 1.7 3.6 2.8 3.9 3.0

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Statistics Plus New Mylab Statistics With Pearson Etext Access Card Package

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