Tukey's multiple comparison method is based on the Studentized range statistic.
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Q. 2Which of the following is NOT something you can do with an operating characteristic curve?
a. Decide what sample size to use in designing a control chart.
b. Decide how many samples to select in designing a control chart.
c. Find the probability of making a Type I error.
d. Find the probability of making a Type II error.
Q. 3Tukey's multiple comparison method is more powerful than Fisher's LSD Method at finding differences in pairwise population means.
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Q. 4In designing a control chart, the statistician must select a sample size and a sampling frequency. These decisions are based on which factors:
a. Cost of making Type I and Type II errors.
b. Length of the production run.
c. Typical change in the process distribution when the process goes out of control.
d. All of these choices are true.
Q. 5Fisher's least significant difference method (LSD) substitutes the pooled variance estimator from the equal variances t-test with the MSE from ANOVA.
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Q. 6When no point lies outside the control limits of a chart, we conclude that variation in the process is:
a. caused by chance and there is not enough evidence to infer that the process is out of control.
b. caused by chance and there is enough evidence to infer that the process is out of control.
c. caused by assignable causes and there is enough evidence to infer that the process is under control.
d. caused by assignable causes and there is not enough evidence to infer that the process is out of control.
Q. 7Multiple comparison methods are used to determine whether or not any differences occur amongst a group of population means.
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