Carry out the sampling experiment described in Section 5.3 to partition the variability in paper helicopter ight
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Carry out the sampling experiment described in Section 5.3 to partition the variability in paper helicopter ight times.
(a) Read your data into R and estimate the variance components using the method of moments.
(b) Using the lmer function, estimate the variance components using the REML method.
(c) Using the formulas in Table 5.3, calculate 90% con dence intervals for the two variance components.
(d) Write your conclusions. What should you use as the experimental unit in future studies to optimize ight time?
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Related Book For 
Design And Analysis Of Experiments
ISBN: 9780471661597
6th International Edition
Authors: Douglas C. Montgomery
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