Twelve cars were inspected after final assembly. The number of defects found ranged between 87\nand 139 defect per car with an average of 116. Determin
Twelve cars were inspected after final assembly. The number of defects found ranged between 87
\r\nand 139 defect per car with an average of 116. Determine the center and upper and lower control
\r\nlimits for the c chart that might be used in this situation.