The file S02_08.xlsx contains data on 500 shipments of one of the computer components that a company manufactures. Specifically, the proportion of items that are defective is listed for each shipment.
a. Create a histogram that will help a production manager understand the variation of the proportion of defective components in the company’s shipments.
b. Is the mean or median the most appropriate measure of central location for this data set? Explain your reasoning.
c. Discuss whether the empirical rules for standard deviations apply. Can you tell, or at least make an educated guess, by looking at the shape of the histogram? Why?