Draw the control chart showing the UCL, CL, and LCL as well as the line connecting the data points, indicate whether the process appears to be in or out of control
The Road King Tire Company in Birmingham wants to monitor the quality of the tires it manufactures. Each day the company quality control manager takes a sample of 100 tires, tests them, and determines the number of defective tires The results of 20 samples have been recorded as follows: Number of Defectives Sample 12 10 8 16 17 18 10 19 20 17 18 18 10 12 13 14 15 16 17 18 19 20 23