Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion
9th Edition
ISBN: 9781119371618
Author: Roberta S. Russell
Publisher: Wiley (WileyPLUS Products)
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Chapter 3, Problem 13P
Summary Introduction

To construct: A p-chart and determine whether the process is in control or not?

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Using one dimensional heat conduction equation, compute the through-thickness temperature distribution in a 4 mm thick plate for polyester at various times during cooling from the molten state in contact with a cold metal tool at 20°C. Graph your results. i need 10 upvotes.
West Battery Corp. has recently been receiving complaints from retailers that its 9-volt batteries are not lasting as long as other name brands. James West, head of the TQM program at West's Austin plant, believes there is no problem because his batteries have had an average life of 60 hours, about 10% longer than competitors' models. To raise the lifetime above this level would require a new level of technology not available to West. Nevertheless, he is concerned enough to set up hourly assembly line checks. Previously, after ensuring that the process was running properly, West took samples of 5 9-volt batteries for 25 test to establish the standards for control chart limits. Those 25 tests are shown in the following table: Sample Data Sample Data Hour Hour Sample Taken 1 Sample Taken 1 2 4 5 R 2 3 4 R 1 60 61 60 59 67 61.4 8 14 62 69 51 62 56 60.0 18 55 57 70 56 46 56.8 24 15 67 53 63 69 70 64.4 17 60 45 58 49 57 53.8 15 16 72 58 51 44 64 57.8 28 66 81 61 51 60 63.8 30 17 49 49 58 68…
Canine Gourmet Super Breath dog treats are sold in boxes labeled with a net weight of 9 ounces (255​grams) per box. Each box contains 6 individual​ 1.5-ounce packets. To reduce the chances of shorting the​customer, product design specifications call for the​ packet-filling process average to be set at 43.0 grams so that the average net weight per box of 6 packets will be 258 grams. Tolerances are set for the box to weigh 258±12 grams. The standard deviation for the​ packet-filling process is 1.01 grams. The target process capability ratio is 1.33. One​ day, the ​packet-filling process average weight drifts down to 42.5 grams. Is the packaging process​ capable? Is an adjustment​ needed? Since the process capability​ index, Cpk​,is​ ?,the process is capable?is not capable?   ​(Enter your response rounded to three decimal places​.)

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Operations and Supply Chain Management, 9th Edition WileyPLUS Registration Card + Loose-leaf Print Companion

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