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| Teaching Since: | May 2017 |
| Last Sign in: | 409 Weeks Ago |
| Questions Answered: | 66690 |
| Tutorials Posted: | 66688 |
MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A manufacturer suspects that the batches of raw material furnished by his supplier differ significantly in calcium content. There are a large number of batches currently in the warehouse. Five of these are randomly selected for study. A chemist makes five determinations on each batch and obtains the following data:

(a) Is there significant variation in calcium content from batch to batch? Use α = 0.05.
(b) Estimate the components of variance
(c) Find a 95 percent confidence interval for ![]()
(d) Analyze the residuals from this experiment. Are the analysis of variance assumptions satisfied?
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