Questions by colin94 - Page 30
Suppose the following number of defects has been found in successive samples of size 100: 6, 7, 3, 9, 6, 9, 4, 14, 3, 5, 6, 9, 6, 10, 9, 2, 8, 4, 8, 10, 10, 8, 7, 7, 7, 6, 14, 18, 13, 6.a. Using all the data, compute trial control limits for a fraction-defective control chart, construct the chart, and plot the data. b. Determine whether the process is in statistical control. If not, assume that assignable causes can be found and out of- control points eliminated.