Unformatted text preview: b. What is the null hypothesis? c. Can you reject Ho at 5% level? How can you tell? d. The output presents a Student’s ttest. Compute the pvalue using a z – test. Are the results similar? Parts (e) and (f) are worth 5 points each. Show as much detail as you can in your answers. e. Use the output and an appropriate table to compute a 99 % confidence interval for μ X – μ Y based on the zstatistic. f. What is the formula you have used for ME in part e? Why did you use that and not one of the other two formulas you have seen in class?...
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 Spring '08
 Kyung
 Statistics, Mean StDev SE, following MINITAB output, STATISTICS STA3032 QUIZ

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