Lahey Motors specializes in selling cars to buyers with a poor credit history. Listed is the number of cars that were repossessed from Lahey customers because they did not meet the payment obligations over each of the last 36 months. 961031112922124101131011152020710109158121012169161357101011 a. Find the control limits from the c-bar data for the number repossessed. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 2 decimal places.) Mean number of defects per unit LCL UCL b. Were there any months when the number was out of control? multiple choiceYesNo

Answered: a. Find the control limits from the…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Lahey Motors specializes in selling cars to buyers with a poor credit history. Listed is the number of cars that were repossessed from Lahey customers because they did not meet the payment obligations over each of the last 36 months.

9	6	10	3	11	12	9	22	12	4
10	11	3	10	11	15	20	20	7	10
10	9	15	8	12	10	12	16	9	16
13	5	7	10	10	11

a. Find the control limits from the c-bar data for the number repossessed. (Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 2 decimal places.)