Determine pareto diagram-pie chart

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Reference no: EM1390447

In summer 2000, a growing number of warranty claims on Firestone tires sold on Ford SUVs prompted Firestone and Ford to issue a major recall. An analysis of warranty-claims data helped identify which models to recall. A breakdown of 2,504 warranty claims based on tire size is given in the following table:

Tire Size Warranty claims
23575R15 2,030
311050R15 137
30950R15 82
23570R16 81
331250R15 58
25570R16 54
others 62

a. Construct a Pareto diagram for the numbers of warranty claims by tire size. What tire size accounts for most of the claims?

b. Construct a pie chart to display the percentage of the total numbers of warranty claims for the 23575R15 tires that come from the ATX model and wilderness model. Interpret the chart.

Reference no: EM1390447

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