Plot the control chart and the sample values

Assignment Help Business Management
Reference no: EM131476465

Assignment

Data entry clerks at ARCO key in thousands of insurance records each day. They have just completed a new training program and want to establish a control chart based on the results of this training. Each day random samples of the work of the clerks were collected. The results are shown in the table below. Two hundred records were sampled daily and examined for errors. The number of records with errors was counted.

Day Number of Records with Errors Day Number of Records with Errors

1 12 11 12

2 8 12 10

3 4 13 8

4 6 14 10

5 8 15 10

6 8 16 8

7 6 17 10

8 6 18 11

9 2 19 9

10 4 20 8

a) You want to set control limits for the proportion of records with errors. Assume that the past twenty days performance is adequate for establishing the control limits and performing the analysis. Using 95% control limits, what are the upper and lower control limits for the proportion of records with errors? Calculate your proportion defective and the lower and upper control limits to 3 decimal places (0.xxx).

b) Plot the control chart and the sample values.

c) What would you conclude about the process, in other words, is the process in control? Explain your decision.

d) Suppose the industry's lower and upper control limits are 0.020 and 0.050 respectively. What can this insurance company conclude about its process relative to the industry standards?

Reference no: EM131476465

Questions Cloud

Importance of media relations : What is the importance of media relations during terrorist events and what can go wrong if the media is not used appropriate in these events?
Editors can tighten up the field of research : Discuss some ideas of how researchers and editors can tighten up the field of research and ensure validity to the finding.
What are conditions required for an fir filter to be stable : In terms of a z-plane plot of the poles and zeros, what are the conditions required for an FIR filter to be stable?
What are incoterms and what would their role be here : What are Incoterms and what would their role be here? Given cost and service needs what INCOTERM would you use? Justify your answer.
Plot the control chart and the sample values : Plot the control chart and the sample values. What would you conclude about the process, in other words, is the process in control? Explain your decision.
What is meant by the term group delay : Only an FIR filter can exhibit truly linear phase, but not all FIR filters have linear phase. What is the specific requirement for an FIR filter.
Create a scenario for target group : Describe the target group wrere doing the activity with MIDDLE EGE _SENIORS.Create a scenario for target group
Identify current marketing communication mix used by samsung : MKT201 Integrated Marketing Communications Individual Report Assessment. Identify the current marketing communication mix used by Samsung
What does the organization need to do to be prepared : What leadership actions should the organization take? What competencies will be needed? What does the organization need to do to be prepared?

Reviews

Write a Review

Business Management Questions & Answers

  Summarize two key information security practices

Summarize two key information security practices you recommend the company implement. Provide supporting examples/research/justification using a real-world example (e.g., when a real company was hacked and what the outcomes were).

  Best approach to communicate in business

What is your best approach to communicate in business, given the fact that you are a professional business person?

  Make lists of internal strengths-internal weaknesses

Company situation analysis Make lists of internal strengths, internal weaknesses, external opportunities, and external threats. Be sure to include analysis of financial information in examining the company's internal capabilities. Based on your an..

  Reading of a collection of animal objects

Allow the reading of a collection of animal objects from an external file. Output on screen the content of a collection of animal objects. Use Iterator to achieve these goals.

  Illustrate what is the selection process

Illustrate what methods and techniques does the organization use to recruit for these positions? Does the current method provide a diverse talent pool to select the best candidates? Illustrate what methods are used to narrow the talent pool? Illustra..

  Analysis-public relations and credibility

Identify a recent situation where the credibility of an organization was brought into question. For example, you may select a news organization whose accuracy is being questioned on major issues, a company accused of making false claims in adverti..

  Explain the personal company and which manufactured

Explain The Personal Company and which manufactured personalized restaurant accessories and received a telephone order from Olive

  Briefly summarize the new product and some of its features

Briefly summarize the new product and some of its features. What market is this new innovation being targeted towards? What about that market created a necessity for this new innovation?

  Royal bank get paid vs citibank

How much does an exec at royal bank get paid vs citibank? Honestly

  Aggregate planning in manufacturing and services

Explain the differences between aggregate planning in manufacturing and aggregate planning in services.

  Difference between the strike price and the market value

you own a stock and you're concerned that the price of the stock may decline. What might you do to minimize risk of loss? A Buy a put. B buy a call. C write a put. D buy a warrant

  Problem-solving approach to address

Discuss one (1) project where you used a problem-solving approach to address what turned out to be common-cause variation, or where you used a process improvement approach to deal with a special cause.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd