Determine the appropriate sample size, Operation Management

Assignment Help:

Determine the Appropriate Sample Size

The following work sampling data was collected from observing a retail assistant: 

Activity                                                           Number of observations

Attending to customers                                              60

Telephone enquiries                                                    150

Walking around                                                          40

Reading data                                                               30

Talking to manager                                                     40 

Talking to other workers                                             20 

Lunch/coffee/comfort breaks                                      50 

Dealing with customer complaints                              110 

                                                                                  Total 500

The figures mean that, say, over the course of a day, it is estimated that 22 per cent of the time was devoted to dealing with customer complaints. 

(a) Determine the limits of accuracy of the above calculation 

(b) If the accuracy needed was to be ±1 per cent, determine the appropriate sample size. 

(c) How would an operations manager use the data obtained from the exercise described?


Related Discussions:- Determine the appropriate sample size

Describe scenarios and contingency plans, Ok need a little help in arrangin...

Ok need a little help in arranging these in the right order 1-5 Select measures and targets Set strategic goals Hold operational reviews Implement single-use plan Define scenarios

Explain operations management definiton of logistics, Netflix would be an e...

Netflix would be an example of which of the following approaches to managing customer induced variation? Cost penalties Uncompromised reduction Classic reduction Classic accomm

Explain the various risks and the affected stakeholders, Minnie Lee is an e...

Minnie Lee is an engineer with a multi-national aerospace company that produces fuel-line components for all types of air and space craft. Minnie discovered a potential defect in a

Explain what is job evaluation, 1) What is job evaluation? What method(s) o...

1) What is job evaluation? What method(s) of job position evaluation does employer use? Explain why. (Remember, "Job Evaluation" is not the same as "Performance Evaluation.") 2) Wh

Explain union can legally dismiss the grievance, Joyce is a problem employe...

Joyce is a problem employee. She is often late and does low-quality work. The shop steward sees the performance problems. One day a new position opens and Joyce applies for it b

Describe how this affect the subsequent bid, Lamda Computer Products compet...

Lamda Computer Products competed for and won a contract to produce tow prototype units of a new type of computer that is based on laser optics rather than on electronic binary bits

Operation research, six operators are to be assigned to five jobs with the ...

six operators are to be assigned to five jobs with the cost of assignment in Rs. given in the matrix below. determine the optimal assignment. which operator will have no assignment

Organizational goals, outline major benefits of organizational goals and d...

outline major benefits of organizational goals and describe the situation in which have observe the benefiys

Write Your Message!

Captcha
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