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Reconsider the port alcohol content data from Exercise 14.22. A normal probability plot casts some doubt on the assumption of population normality. However, a dotplot shows a reasonable amount of symmetry, and the mean,
22. The article “A Method for the Estimation of Alcohol in Fortified Wines Using Hydrometer Baume and Refractometer Brix” (Amer. J. of Enol. and Vitic., 2006: 486–490) gave duplicate measurements on distilled alcohol content (%) for a sample of 35 port wines. Here are averages of those duplicate measurements:
Use the Ryan-Joiner test to decide at significance level .05 whether a
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Student Solutions Manual for Devore's Probability and Statistics for Engineering and the Sciences, 9th
- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill