Question

The Rollins Sporting Goods Company manufactures baseballs for the professional minor and major leagues at its plants in Costa Rica. According to the rules of major league baseball, a baseball must weigh between 142 and 149 grams. The company has taken 20 samples of five baseballs each and weighed the baseballs as follows:


Construct an x-chart in conjunction with an R-chart to monitor the baseball-making process, and comment on the capability of theprocess.


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  • CreatedApril 10, 2014
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