wrong). Weights Days Package 1 Package 2 Package 3 Package 4 Monday 21 22 20 24 Tuesday 23 21 19 21 Wednesday 20 19 20 21 Thursday 18 19 20 19 Friday 18 20 22 20 Q.3.A. What is the sample size (n) in this problem? And what is the number of samples (k) in this problem? No explanation needed here. Q.3.B. Calculate the UCL and the LCL for the X-bar chart, using 20 for variations due to natural causes. Q.3.C. Is the process "in control" or "out of control"? Justify your answer. Problem 4: (4 pts); Month Actual Sales Forecasted value April 250 May Z- June 230 July 260 Question: Based on the above table, if the 3-period moving average forecast for the month August is 220. What is the value of Z (which is the actual sales for the month of May)? You do NOT need to show your work. There is NO partial credits for any mistake (i.e., your answer is either right or wrong). Problem 5: (4 pts); 1. A company sells computers. Monthly sales for a six-month period are as follows: Month Actual Sales January 18,000 February 22,000 March 16,000 April 18,000 May 20,000 June 24,000 Question: Calculate the sales forecast for the month of July using the exponential smoothing approach with a (smoothing constant) equal to 0.40. Please assume that February's forecast is equal to 18,000 units and the forecast for May is equal to 18,096 units. You do NOT need to show your work. There is NO partial credits for any mistake (i.e., your answer is either right or wrong). Problem 6: (4 pts. 2+2) The annual demand for an item is 10,000 units. The cost to process an order is $45 and the annual inventory holding cost is 18% of the item's unit price. The unit price per item is $10. You do NOT need to show your work. There is NO partial credits for any mistake (i.e., each answer is either right or wrong). Discount Number Quantity Discount 1-4999 Discount = X% 5000 or more Discount = 15% Q.5.A. What is the unit price your supplier would charge you if you purchase 6002 units? Q.5.B. If the annual product cost for Discount number 1 is $ 94,000, what is X? Problem 7: (6 pts 2+2+2) It is week I and there are currently 20 bikes in stock (ie, 20 units as on hand inventory in week 1). The MPS says that we need 340 bikes in week 5 and 0 bikes for each of weeks 1, 2, 3, and 4. You do NOT need to show your work. There is NO partial credits for any mistake (i.e., each answer is either right or wrong). Q.7.A. If there are only scheduled receipts planned for week 3 and week 4 of 120 bikes each; and this bike has a lead time of 1 week, when and how large of an order should be placed (i.c., planned order release) to meet the gross requirement of 340 bikes in week 5? Assume that SS= 0, BI=0, and Q-LFL Q.7.B. If there are only scheduled receipts planned for week 3 and week 4 of 120 bikes each; and this bike has a lead time of two weeks, how large of an order should be placed on week 3 (i.c.. planned order release) to meet the gross requirement of 340 bikes in week 5? Assume that SS=8, BI=0, and Q = 50. Q.7.C. If there are only scheduled receipts planned for week 3 and week 4 of 120 bikes each; and this bike has a lead time of 1 week, when and how large of an order should be placed (i.c.. planned order release) to meet the gross requirement of 340 bikes in week 5? Assume that SS == 5, BI-0, and Q-15. Problem 8: (5 pts 2+2+1); Given the following bill of materials: A Q-LFL, LT-1, SS-4, BI-30 B (1) F (2) E (2) L (5) C (1) Part A 12 Gross XY D (2) E (1) E (2) D (3) D (1) Requirement Scheduled 10 Receipts Projected on Hand inventory Net Requirement 1 Planned Order Releases Q.8.A. What is the value of X? Q.8.B. What is the value of Y? Q.8.C. In which level is item B? MCQ Questions. Please select the best answer in each question. Please use capital letters A, B, C, D, E to fill out the table below. I will grade the answers in the table. 10 questions 1 pt each 10 pts TOTAL MCQ question #Your Answer 12 3 4 56789 10 Q-1. Which of the following concepts is the closest related to a JIT production systems? a. supply pull b. MRP focus c. supply push d. demand pull c. None of the above is related to JIT Q-2. The purpose of an X chart is to determine whether there has been a a. gain or loss in dispersion for the process b. monitor the percent defective in a sample c. monitor the variation and dispersion of the process output d. monitor the number of defects in a sample e. None of the above Q-3. Among the tools of TOM, the tool ordinarily used to aid in understanding the sequence of events through which a product travels is a: a. Pareto chart b. Fishbone diagram c. Check sheet d. Process chart e. None of the above a. Q.4. Which of the following concepts is the closest to "production based on forecasts"? Supply Pull strategy b. Demand Pull strategy Push strategy d. TQM focus strategy None of the above c. e. Q-5. Which of the following smoothing constants would make an exponential smoothing forecast equivalent to a naive forecast? a. 0.0 b. 1.5 C. 2.0 d. 0.5 e. None of the above Q-6. In SPC, assignable causes a b. c. are causes of variation that can be identified and removed are within the limits of a control chart depend on the producer's risk are also referred to as "Kaizen causes are less important than natural causes d. e. Q-7. A manufacturer uses statistical process control to control the quality of the firm's products. 30 samples of Product A are taken; and the number of flaws in each sample is counted. What type of control chart should be used? b. c. MRP-chart C-chart R-chart X-bar chart None of the above d. e. Q-8. The "Consumer's Risk" is the probability of: a. b. accepting a good shipment rejecting a good shipment rejecting a bad shipment accepting a bad shipment None of the above d. c. Q-9. A manufacturer uses statistical process control to control the quality of the firm's products, Samples of 50 of Product A are taken, and a defective acceptable decision is made on each unit sampled. For Product B, the number of flaws per unit is counted. What type(s) of control charts should be used? a. R-charts for A and B b. p-chart for A, and e-chart for B c. X-bar charts for both A and B d. p-chart for A, and R chart for B e. o-chart for A, and X-bar chart for B Q-10. The Accounts Receivable Department has documented the following defect frequencies over a 30-day period (see table below). Based on the information in this table, what conclusion should be drawn about defects in the accounts receivable department? Problem Category Frequency 110 #1: Invoice amount does not agree with the check amount # 2: Invoice not on record (not found) 26 #3: No formal invoice issued 17 #4: Check (payment) not received on time 32 #5: Check not signed 7 14 #6: Invoice number and invoice referenced do not agree a. All problems are equally important b. Category #4 is the most important problem c. Category #3 is the most important problem d. Category # 5 is the most important problem e. Category #1 is the most important problem TOTAL=