How much less wrinkling? In Exercise 19.48, you found that the Hyliteprocess results in
Chapter 0, Problem 19.50(choose chapter or problem)
How much less wrinkling? In Exercise 19.48, you found that the Hyliteprocess results in significantly greater wrinkle resistance than the Permafreshprocess. How large is the difference in mean wrinkle recovery angle? Give a 95%confidence interval.
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