Type size Mean S.D. 136.7 4.5 10 138.3 4.6 15 I II 7. I find the 98% confidence interval for the difference of mean fabric strengths for the two types using a pooled interval. Interpret your answer.

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Type size Mean S.D.
I
10
136.7 4.5
II
15
138.3 4.6
7. | find the 98% econfidence interval for the difference of mean fabric strengths for the two types using a
pooled interval. Interpret your answer.
Transcribed Image Text:Type size Mean S.D. I 10 136.7 4.5 II 15 138.3 4.6 7. | find the 98% econfidence interval for the difference of mean fabric strengths for the two types using a pooled interval. Interpret your answer.
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