2.11 A shirt inspector at a clothing factory categorized the last 500 defects as follows: 67—missing button, 153—bad seam, 258—improperly sized, 22—fabric flaw. Construct a Pareto diagram for this information.

a. Draw a bar graph picturing the percentages of “Presents not wanted.”

b. Draw a Pareto diagram picturing the “Presents not wanted.”

c. If you want to be 80% sure you did not get your Valentine something unwanted, what should you avoid buying? How does the Pareto diagram show this?

d. If 300 adults are to be surveyed, what frequencies would you expect to occur for each unwanted item listed on the graphic?

Transcribed Image Text:

PRESENTS NOT WANTED When it comes to Valentine's Day gifts, American adults say they prefer NOT to receive teddy bears. Flowers 13% Teddy bears 45% Chocolate 22% Don't know Data from Anne R. Carey and Juan Thomasse, USA Today 6% Jewelry 14%