A sample of 125 pieces of yarn had mean breaking strength 6.1 N and standard deviation
Chapter 5, Problem 5(choose chapter or problem)
A sample of 125 pieces of yarn had mean breaking strength \(6.1 \mathrm{~N}\) and standard deviation \(0.7 \mathrm{~N}\). A new batch of yarn was made, using new raw materials from a different vendor. In a sample of 75 pieces of yarn from the new batch, the mean breaking strength was \(5.8 \mathrm{~N}\) and the standard deviation was \(1.0 \mathrm{~N}\). Find a 90% confidence interval for the difference in mean breaking strength between the two types of yarn.
Equation Transcription:
Text Transcription:
6.1 N
0.7 N
5.8 N
1.0 N
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