Steele Breakfast Foods Inc. produces a popular brand of raisin bran cereal. The package

Chapter 0, Problem 28

(choose chapter or problem)

Steele Breakfast Foods Inc. produces a popular brand of raisin bran cereal. The package indicates it contains 25.0 ounces of cereal. To ensure the product quality, the Steele inspection department makes hourly checks on the production process. As a part of the hourly check, four boxes are selected and their contents weighed. The results are reported below. Calorie Count Calorie Count Sample 12345 Sample 12345 1 426 406 418 431 432 6 427 417 408 418 422 2 421 422 415 412 411 7 422 417 426 435 426 3 425 420 406 409 414 8 419 417 412 415 417 4 424 419 402 400 417 9 417 432 417 416 422 5 421 408 423 410 421 10 420 422 421 415 422 Sample Weights Sample Weights 1 26.1 24.4 25.6 25.2 14 23.1 23.3 24.4 24.7 2 25.2 25.9 25.1 24.8 15 24.6 25.1 24.0 25.3 3 25.6 24.5 25.7 25.1 16 24.4 24.4 22.8 23.4 4 25.5 26.8 25.1 25.0 17 25.1 24.1 23.9 26.2 5 25.2 25.2 26.3 25.7 18 24.5 24.5 26.0 26.2 6 26.6 24.1 25.5 24.0 19 25.3 27.5 24.3 25.5 7 27.6 26.0 24.9 25.3 20 24.6 25.3 25.5 24.3 8 24.5 23.1 23.9 24.7 21 24.9 24.4 25.4 24.8 9 24.1 25.0 23.5 24.9 22 25.7 24.6 26.8 26.9 10 25.8 25.7 24.3 27.3 23 24.8 24.3 25.0 27.2 11 22.5 23.0 23.7 24.0 24 25.4 25.9 26.6 24.8 12 24.5 24.8 23.2 24.2 25 26.2 23.5 23.7 25.0 13 24.4 24.5 25.9 25.5 Develop an appropriate control chart. What are the limits? Is the process out of control at any time?