# Question: Consider the strength of cotton yarn used in a weaving

Consider the strength of cotton yarn used in a weaving factory, in pounds of force at breakage, measured from a sample of yarn from the supplies room:

a. Find the average breaking strength.

b. Find the median breaking strength.

c. Draw a histogram indicating the average and median values, and briefly comment on their relationship. Are they the same? Why or why not?

d. Draw a cumulative distribution.

e. Find the 10th and the 90th percentiles.

f. Management would like its supplies to provide a breakage value of 100 pounds or more at least 90% of the time. Based on this data set, do these supplies qualify? In particular, which percentile will you compare to?

a. Find the average breaking strength.

b. Find the median breaking strength.

c. Draw a histogram indicating the average and median values, and briefly comment on their relationship. Are they the same? Why or why not?

d. Draw a cumulative distribution.

e. Find the 10th and the 90th percentiles.

f. Management would like its supplies to provide a breakage value of 100 pounds or more at least 90% of the time. Based on this data set, do these supplies qualify? In particular, which percentile will you compare to?

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