Operations Management
2nd Edition
ISBN: 9781260484687
Author: CACHON, Gerard
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 9, Problem 18CQ
Summary Introduction
To determine: The correct option.
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In a p-chart, the upper control limit is how many estimated standard deviations abovethe average p-bar?a. 1b. 2c. 3d. 6
From the list below of the data being collected, identify which data would be appropriate for a P chart:
Select ALL correct answers.
Fluid ounces in a bottle of detergent
Temperature of the fryer oil at the Lay's potato chip plant
Number of articles with mistakes per every 100 sampled at a newspaper
Percentage of flights that were not on-time for an airline
Pizzas not made to order for a local pizzeria
Weight of a bag of chips.
Density of a golf ball
Percentage of patients that had a medication error during their hospital stay
Management at Deluxe Diner is in process of establishing a quality control system for the time it takes to initially make contact with a table of patrons. A sample of size 3 is
taken on each of the five different days. The following data table presents the results (all times listed are in seconds).
Time 1
Time 2
Time 3
Service
Encounter
day 1
day 2
day 3
day 4
day 5
200
120
83
68
110
150
85
93
150
90
175
105
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145
75
Chapter 9 Solutions
Operations Management
Ch. 9 - Prob. 1CQCh. 9 - Prob. 2CQCh. 9 - Prob. 3CQCh. 9 - Prob. 4CQCh. 9 - Prob. 5CQCh. 9 - Prob. 6CQCh. 9 - Prob. 7CQCh. 9 - Prob. 8CQCh. 9 - Prob. 9CQCh. 9 - Prob. 10CQ
Ch. 9 - Prob. 11CQCh. 9 - Prob. 12CQCh. 9 - Prob. 13CQCh. 9 - Prob. 14CQCh. 9 - Prob. 15CQCh. 9 - Prob. 16CQCh. 9 - Prob. 17CQCh. 9 - Prob. 18CQCh. 9 - Prob. 1PACh. 9 - Prob. 2PACh. 9 - Prob. 3PACh. 9 - Prob. 4PACh. 9 - Prob. 5PACh. 9 - Prob. 6PACh. 9 - Prob. 7PACh. 9 - Prob. 8PACh. 9 - Prob. 9PACh. 9 - Prob. 10PACh. 9 - Prob. 11PACh. 9 - Prob. 12PACh. 9 - Prob. 2.1CCh. 9 - Prob. 2.2C
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, operations-management and related others by exploring similar questions and additional content below.Similar questions
- < Refer to Table S6.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Sampling 4 pieces of precision-cut wire (to be used in computer assembly) every hour for the past 24 hours has produced the following results: Hour X 1 2 3 4 5 6 R 3.25" 0.65" 3.00 1.23 3.32 1.43 3.39 1.26 3.07 1.17 2.96 0.37 Hour X R Hour R Hour 7 2.95" 0.48" 13 X 3.11" 0.90" 2.73 1.36 19 20 8 2.55 1.18 14 9 0.71 3.12 1.11 21 3.12 2.85 15 16 10 1.38 2.74 0.50 22 11 2.83 1.22 17 2.86 1.38 23 12 3.07 0.45 18 2.64 1.29 24 X 4.51" 2.89 2.65 3.18 3.04 2.54 R 1.56" 1.14 1.13 0.51 1.58 1.02 Based on the sampling done, the control limits for 3-sigma x chart are (round all intermediate calculations to three decimal places before proceeding with further calculations): Upper Control Limit (UCL) = inches (round your response to three decimal places).arrow_forwardWhat has to be different about the data being used to construct a Pareto Chart versus constructing a Histogram and what does a z-score measure?arrow_forwardWhat trade-offs are involved in each of these decisions?b. Choosing between a large sample size and a smaller sample size.arrow_forward
- The temperature of a burrito served to a customer in a local Mexican restaurant A: Discrete B; Continousarrow_forwardTwenty samples (K=20) of 200 observations (n = 200) were taken by an operator at a workstation in a production process. The number of defective items in each sample was recorded as follows. Sample Number of Defects 1. 12 18 10 4. 15 16 6. 19 7. 17 8 12 11 10 14 11 16 12 15 13 13 14 16 15 18 16 17 17 18 18 20 19 21 20 22 Management wants to develop ap-chart using 3-sigma limits. What is the Lower Control Limit (LCL)? (calculation 2 sig fig)arrow_forwardBoxes of Honey-Nut Oatmeal are produced tocontain 14 ounces, with a standard deviation of .1 ounce. Setup the 3-sigma x-chart for a sample size of 36 boxes.arrow_forward
- Briefly explain the purpose of each of these control charts:b. Rangearrow_forward1. Boxes of Honey-Nut Oatmeal are produced to contain 16.0 ounces, with a standard deviation of 0.10 ounce. For a sample size of 64, the 3-sigma x chart control limits are: Part 2 Upper Control Limit (UCLx)= _______ (round your response to two decimal places). Lower Control Limit (LCLx)= _______ (round your response to two decimal places).arrow_forwardDistinguish variable and attribute data. What types of control charts are used for each? Explain with examples related to healthcare.arrow_forward
- What does a run of 5 points above or below the centerline in a control chart imply?arrow_forwardHow is Acceptance sampling useful?arrow_forwardREPOSTING QUESTION FOR PART 2 Consider the following table: SS DF MS Test Statistic Among Treatments 1664.4 Error ? 11 370.45 Total 16 Step 4 of 8: Calculate the value of the test statistic. Please round your answer to two decimal places. Step 5 of 8: What is the sum of squares of sample means about the grand mean? Please round your answer to two decimal places. Step 6 of 8: What is the variation of the individual measurements about their respective means? Please round your answer to two decimal places. Step 7 of 8: What is the critical value at the 0.05 level? Please round your answer to four decimal places, if necessary. Step 8 of 8: Is the test statistic significant at 0.05?arrow_forward
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