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

Explain standard rules of overtime pay, What are the standard rules of over...

What are the standard rules of overtime pay? Provide examples of why it is not always simple to administer. Address issues such as double pay, pyramiding, compulsory overtime, and

Explain which an organization can be engaged be engaged, The categories of ...

The categories of global participation in which an organization can be engaged be engaged

Pdf, types of manufacturing system and layout

types of manufacturing system and layout

Explain offensive strategies for blockbuster, Will new competition for Redo...

Will new competition for Redox and digital content providers force blockbuster to alter its strategy? If yes, what are the offensive strategies for blockbuster? If not, what are th

Explain the major categories of information, Indicate the major categories ...

Indicate the major categories of information you would expect to find in a project review

Explain what companies must do to achieve iso rating, Discuss ISO 14,000 an...

Discuss ISO 14,000 and ISO 14,001 and briefly describe what companies must do to achieve this rating.

Explain phases in a project life cycle, An important factor used to determi...

An important factor used to determine the phases in a project life cycle are the control needs of the organization(s) involved in the project. True or False

Explain displayed letter strokes in centimetre, Assume you are going to giv...

Assume you are going to give a presentation to about 30 people in a medium sized room. In order to maximize the contrast, you used black letters on white background in your slides.

Rent-a-car liable for any claims, U.S. v. Farraj contended that he transmit...

U.S. v. Farraj contended that he transmitted information, not goods. Do you think that position is correct? Q2) Phillips v. Budget Rent-a-Car Answer the question "Is Budget Rent-a-

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