urable press" cotton fabrics are treated to improve their recovery from wrinkles after washing. "Wrinkle covery angle" measures how well a fabric recovers from wrinkles. Higher is better. Here are data on the inkle recovery angle (in degrees) for two types of treated fabrics: Permafresh Hylite 15 17 12 14 13 16 16 15 14 18 nanufacturer wants to know how large is the difference in mean wrinkle recovery angle. re a 98% confidence interval for the difference in mean wrinkle recovery angle: [three decimal accuracyl (three decimal accuracyl

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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"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
15
17
12
14
13
16
16
15
14
18
A manufacturer wants to know how large is the difference in mean wrinkle recovery angle.
Give a 98% confidence interval for the difference in mean wrinkle recovery angle:
[three decimal accuracy] [three decimal accuracy]
Transcribed Image Text:"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 15 17 12 14 13 16 16 15 14 18 A manufacturer wants to know how large is the difference in mean wrinkle recovery angle. Give a 98% confidence interval for the difference in mean wrinkle recovery angle: [three decimal accuracy] [three decimal accuracy]
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