The following MINITAB output display presents a 95% confidence interval for the difference between two means. a.
Question:
a. Find the point estimate of pi €” p2.
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___
Transcribed Image Text:
N Mean StDe SE Mean A 12 9.5713 1.025 0.2959 B 8 7.2198 5.173 1.8289 Differencemu (A) mu (B) Estimate for difference: 2.3515 95% CI for difference: (-2.02947, 6.73247) DF 7
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