Question: The relationship between the strength and fineness of cotton fibers

The relationship between the “strength” and “fineness” of cotton fibers was the subject of a study that produced the data below.
a. Draw a scatter diagram.
b. Find the 99% confidence interval for the mean measurement of fineness for fibers with a strength of 80.
c. Find the 99% prediction interval for an individual measurement of fineness for fibers with a strength of 75.

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  • CreatedAugust 28, 2015
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