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# The table below gives data on moisture content forspecimens of a certain type of fabric

ISBN: 9781305251809 122

## Solution for problem 8 Chapter 16.2

Probability and Statistics for Engineering and the Sciences | 9th Edition

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Probability and Statistics for Engineering and the Sciences | 9th Edition

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Problem 8

The table below gives data on moisture content forspecimens of a certain type of fabric. Determine controllimits for a chart with center line at height 13.00 basedon s 5 .600, construct the control chart, and commenton its appearance.Data for Exercise 8 Sample No. Moisture-Content Observations x s Range 1 12.2 12.1 13.3 13.0 13.0 12.72 .536 1.2 2 12.4 13.3 12.8 12.6 12.9 12.80 .339 .9 3 12.9 12.7 14.2 12.5 12.9 13.04 .669 1.7 4 13.2 13.0 13.0 12.6 13.9 13.14 .477 1.3 5 12.8 12.3 12.2 13.3 12.0 12.52 .526 1.3 6 13.9 13.4 13.1 12.4 13.2 13.20 .543 1.5 7 12.2 14.4 12.4 12.4 12.5 12.78 .912 2.2 8 12.6 12.8 13.5 13.9 13.1 13.18 .526 1.3 9 14.6 13.4 12.2 13.7 12.5 13.28 .963 2.4 10 12.8 12.3 12.6 13.2 12.8 12.74 .329 .9 11 12.6 13.1 12.7 13.2 12.3 12.78 .370 .9 12 13.5 12.3 12.8 13.1 12.9 12.92 .438 1.2 13 13.4 13.3 12.0 12.9 13.1 12.94 .559 1.4 14 13.5 12.4 13.0 13.6 13.4 13.18 .492 1.2 15 12.3 12.8 13.0 12.8 13.5 12.88 .432 1.2 16 12.6 13.4 12.1 13.2 13.3 12.92 .554 1.3 17 12.1 12.7 13.4 13.0 13.9 13.02 .683 1.8 18 13.0 12.8 13.0 13.3 13.1 13.04 .182 .5 19 12.4 13.2 13.0 14.0 13.1 13.14 .573 1.6 20 12.7 12.4 12.4 13.9 12.8 12.84 .619 1.5 21 12.6 12.8 12.7 13.4 13.0 12.90 .316 .8 22 12.7 13.4 12.1 13.2 13.3 12.94 .541 1.3

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STAT 110: Notes for Week of 10/25/16  Chapter 21 o This section will focus on interpreting data and inferential statistics (making inferences about a population based on data from a population sample). o The sample proportion probably is not equal to the parameter.  Sample proportion: p = (# of successes/n)  n = number of subjects in the sample o The sample mean is never equal to the population mean. o Since the sample proportion is probably not equal to the parameter, we will take a confidence interval (sample proportion +/- the margin of error) to make a more confident statement about the data. o Sample distribution: the distributio

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The table below gives data on moisture content forspecimens of a certain type of fabric