Question: Interpret computer output: The following MINITAB output display presents a 95% confidence interval for the difference between two means. a. Find the point estimate of

Interpret computer output: The following MINITAB output display presents a 95% confidence interval for the difference between two means. N Mean StDev SE Mean A B 12 9.5713 1.025 0.2959 8

a. Find the point estimate of ????1 − ????2.

b. How many degrees of freedom did MINITAB use?

c. Fill in the blanks: We are confident that the difference between the means is between and .

N Mean StDev SE Mean A B 12 9.5713 1.025 0.2959 8 7.2198 5.173 1.8289 Difference = mu (A) mu (B) - Estimate for difference: 2.3515 95% CI for difference: (-2.02947, 6.73247) DF = 7

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