Martha S Wonderful Cookie Company Makes A Special Super Chocolate Chip Peanut Butter Cookie The Company Would Like The 1 (331.68 KiB) Viewed 46 times
Martha S Wonderful Cookie Company Makes A Special Super Chocolate Chip Peanut Butter Cookie The Company Would Like The 2 (299.52 KiB) Viewed 46 times
Martha's Wonderful Cookie Company makes a special super-chocolate chip peanut butter cookie. The company would like the cookies to average approximately eight chocolate chips apiece. Too few or too many chips distort the desired cookie taste. Seven samples of five cookies each during a week have been taken and the chocolate chips counted when we we think the process is in control. The sample observations are as follows: Samples Chips per Cookie R 1 76 9 8 5 | 7 7 8 8 10 3 78 7 6 67 9 9 5 76 19 8 9 8 10 8 R= (a) Fill out the above table and compute the upper control limit and the lower control limit of the R chart. Round your answers to two decimal places. Upper control limit of R chart: Lower control limit of R chart: (b) Two additional samples were collected the following week. Samples Chips per Cookie == T ENDERE PENG COR 7| 7 8
R= (a) Fill out the above table and compute the upper control limit and the lower control limit of the R chart. Round your answers to two decimal places. Upper control limit of R chart: Lower control limit of R chart: (b) Two additional samples were collected the following week. Samples Chips per Cookie 7 6 8 8 8 7378 8 According to the R chart, is the process in control? Conclusion from the R chart:
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