Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing. "Wrinkle recovery angle" measures how well a fabric recovers from wrinkles. Higher is better. Here are data on the wrinkle recovery angle (in degrees) for two types of treated fabrics: Permafresh Hylite 12 18 10 17 14 19 13 14 16 20 A manufacturer wants to know how large is the difference in mean wrinkle recovery angle. Give a 90% confidence interval for the difference in mean wrinkle recovery angle: ( , ) [three decimal accuracy] [three decimal accuracy]
Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing. "Wrinkle recovery angle" measures how well a fabric recovers from wrinkles. Higher is better. Here are data on the wrinkle recovery angle (in degrees) for two types of treated fabrics: Permafresh Hylite 12 18 10 17 14 19 13 14 16 20 A manufacturer wants to know how large is the difference in mean wrinkle recovery angle. Give a 90% confidence interval for the difference in mean wrinkle recovery angle: ( , ) [three decimal accuracy] [three decimal accuracy]
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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8. Durable press" cotton fabrics are treated to improve their recovery from wrinkles after washing. "Wrinkle recovery angle" measures how well a fabric recovers from wrinkles. Higher is better. Here are data on the wrinkle recovery angle (in degrees) for two types of treated fabrics:
Permafresh | Hylite |
---|---|
12 | 18 |
10 | 17 |
14 | 19 |
13 | 14 |
16 | 20 |
A manufacturer wants to know how large is the difference in
Give a 90% confidence interval for the difference in mean wrinkle recovery angle:
( , | ) |
[three decimal accuracy] | [three decimal accuracy] |
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