Question 1 a) Management is concerned that workers create more product defects at the very beginning and end of a work shift than at other times of their eight-hour workday. Construct a scatter diagram with the following data collected last week. Is management justified in its belief? First hour at work Second hour at work Third hour at work Fourth hour at work Fifth hour at work Sixth hour at work Seventh hour at work Eighth hour at work Number of Defects Monday Tuesday Wednesday Thursday 12 9 6 8 6 5 3 4 5 2 4 3 4 0 5 2 1 6 2 4 4 2 7 4 4 6 5 7 8 5 Friday 7 5 3 3 5 1 3 9 [14 marks] b) Develop a Pareto analysis on the following information: Reason for unsatisfying check-out at store Unfriendly cashier Incorrect change Cashier too slow Price check Poorly bagged merchandise Slow receiving check approval Frequency 27 4 9 34 2 3 [6 marks]