Consider the Minitab output below. (a) Fill in the missing values. Can the null hypothesis be rejected
Question:
(a) Fill in the missing values. Can the null hypothesis be rejected at the 0.05 level? Why?
(b) Is this a one-sided or two-sided test?
(c) How many degrees of freedom are there on the t-test statistic?
(d) Use the output and a normal table to find a 95% CI on the mean.
(e) Suppose that the hypotheses had been. H0 : H0 : ï ï½ 90 versus H1 : ï ï¾ 90. What
conclusions would you have drawn?
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Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
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