The Rollins Sporting Goods Company manufactures baseballs for the professional
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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