PROB & STATS F/ ENGIN & SCI W/ACCESS
9th Edition
ISBN: 9780357007006
Author: DEVORE
Publisher: CENGAGE L
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Textbook Question
Chapter 15.3, Problem 22E
Compute a 99% CI for μ1 − μ2 using the data in Exercise 12.
12. The article “A Study of Wood Stove Particulate Emissions” (J. of the Air Pollution Control Assoc., 1979: 724-728) reports the following data on bum time (hours) for samples of oak and pine. Test at level .05 to see whether there is any difference in true average bum time for the two types of wood.
| Oak | 1.72 | .67 | 1.55 | 1.56 | 1.42 | 1.23 | 1.77 | .48 |
| Pine | .98 | 1.40 | 1.33 | 1.52 | .73 | 1.20 |
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Chapter 15 Solutions
PROB & STATS F/ ENGIN & SCI W/ACCESS
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