7,8

Use the information provided here for the next two problems: Ten customers per hour were asked by the cashier at the JCWiz Sushi Bar if they liked their meal, and the percent who said "no" are shown in the following table, for a 12-hour period. Hour Hour Percent Defective 0.1 1 7 2 0 Percent Defective 0 0.2 0.4 0.1 0.1 0.2 8 9 10 3 4 5 6 0 0.2 0 0.1 11 12 7. Determine P and op 8. Determine the 3-sigma UCL and LCL. Plot the percent defectives for each sample. Does customer satisfaction appear to be in statistical control? How could Lindi's improve the analysis