75 minutes remaining 15 Points Question 4 The MINERAL WATER LTD produces bottles of mineral water. Each bottle contains 500gr of water. The following data on the weight of bottles were collected when the process was in control. Five samples were collected at five different time instants, indicated by the numbers 1 to 5 in the leftmost column of the Table below. Each sample consisted of 6 water bottles, with their weights measured in grams and shown in the Table below. Observation 501 497 494 505 498 499 497 502 504 494 495 496 500 500 496 499 500 505 Sample 502 506 502 503 498 501 506 506 505 507 501 511 Calculate control limits for an R-chart and an x-chart A .T . ' D ' B I U - B. =. 9 9 0 90 Word cour