A company that makes basketballs has the motto, \"Our basketballs are ready to p

Question

A company that makes basketballs has the motto, "Our basketballs are ready to play." Therefore, it is important to the company that the basketballs are inflated with the proper amount of air when shipped. Most basketballs are inflated to 7 to 9 pounds per square inch. From a set of calibration data, X= 8.04 and R=0.51. Recently the company selected a random basketball from its production line at four different time periods over its normal production day. The results were listed in the accompanying table. Complete parts a through c. Click the icon to view the data table. factor for alculaing comtrl Limits for calculating control limits Click the icon to view the factors for calculating control limits.

Explanation / Answer

The X-bar chart indicates that the company process is out of control but the R charts indicates that the companys process is in control.

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