Question: 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

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 "entre du jour" and recorded the sodium content per serving 1) Based on the data that follows, construct the X and R charts. 2) Based on the X and R charts, is the process in control? Why or why not? 3) 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 3 482 516 530 495 543 4 496 516 402 un 475 489 526 502 526 497 6 489 513 6 495 523 462 532 7 505 521 485 495 8 476 452 523 512 9 487 513 502 500 10

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