Problem 1: One of BPH's pharmacists wants to establish different levels of inventory control for the following
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Problem 1:
One of BPH's pharmacists wants to establish different levels of inventory control for the following items. Help her classify those items into A, B, and C items.
Item Code | Annual Demand | Unit Price |
J365 | 80 | $650.00 |
K789 | 100 | $12.00 |
H322 | 800 | $2.00 |
J541 | 200 | $55.00 |
J566 | 150 | $10.00 |
K852 | 2,000 | $5.00 |
H897 | 750 | $3.00 |
H453 | 50 | $1,000.00 |
J856 | 1200 | $4.00 |
K847 | 5,000 | $3.00 |
Problem 2:
- The dietitian at BPH has warned that the meals served at the cafeteria contain too much sodium. For the past 10 days, she has sampled four batches of the "entree du jour" and recorded the sodium content per serving.
- Based on the data that follows, construct the X and R charts.
- Based on the X and R charts, is the process in control? Why or why not?
- Given the fact that the sodium content should be between 450 and 520 mg per serving for meal-type products, does the dietitian have a valid concern? (Assume that the standard deviation is 25 mg.)
Day | Batch 1 | Batch 2 | Batch 3 | Batch 4 |
1 | 502 | 485 | 516 | 550 |
2 | 495 | 519 | 514 | 480 |
3 | 482 | 516 | 530 | 495 |
4 | 543 | 496 | 402 | 516 |
5 | 475 | 489 | 526 | 502 |
6 | 513 | 489 | 497 | 526 |
7 | 532 | 462 | 523 | 495 |
8 | 495 | 485 | 521 | 505 |
9 | 512 | 523 | 452 | 476 |
10 | 500 | 502 | 513 | 487 |
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