Breaking Strength of Thread Narrative
A textile company is interested in knowing if there is a difference in the breaking strength of four different kinds of thread. 
= 6605.02, and 
= 362.2
-Refer to Breaking Strength of Thread Narrative. Find and interpret a 90% confidence interval for 
.
Correct Answer:
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= 84.3/5 = 16.86, and = 87.4/5 = 17.48...View Answer
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