Please answer all the questions. TQ

QUESTION 4 Ahmad, a proud chef keeps track on the number of defects in the pizza produced by his bakery. From analysis of these data, would you conclude that the process is in statistical control? Identify an appropriate control chart and determine the chart's control limits. Draw the control chart. (No need to recalculate control limit). (10 marks) Number of Defects 6 Sample 1 2 3 4 5 6 7 8 9 10 11 Number of Defects 1 1 3 7 8 10 5 13 0 19 Sample 12 13 14 15 16 17 18 19 20 21 22 11 15 8 3 6 7 4 9 20 24 b. A manager collected a random sample of 40 parts from a metal stamping process. The specification limits for the weight of these parts is 23.1 2.4 grams. The sample average is 22.825 grams and the sample standard deviation is 1.375 grams. What is the value of C, for this product? What is the value of Cpx for this product? What does the difference between the values of Cp and Cox tell you? a. b. c. (10 marks)