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 AB 12 9.5713 1.025 0.2959 B

a. Find the point estimate of μ1 − μ2.

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 AB 12 9.5713 1.025 0.2959 B 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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