A researcher has the task of estimating how many units of a revolutionary new high-speed office copier machine (it does not require ink cartridges and is guaranteed not to jam) will be purchased by business firms in Cleveland, Ohio for the upcoming annual sales forecast. Her plan is to ask the likelihood that they will purchase the new device, and for those who are "very likely" to purchase, she wants respondents to estimate how many machines their company will buy. She has data to divide the companies into small, medium, and large firms based on number of employees at the Cleveland office. What sampling plan should be used?

Sampling plan can be considered as an arrangement of intelligent advances which empowers a specialist to choose sample from the populace and to appraise answer for the current issues.  

In the given case revolutionary photo copy machines has been created by an organization. Here the task for the research is to decide or assess that what number of photograph copiers are need that the organizations of City Cleveland may purchase. This can be likelihood samplings techniques can be chosen for building up an inspecting plan. Two likelihood inspecting strategies will be proper for this errand. They are Simple Random Sampling and Systematic Sampling.  

The example outline is all around characterized which are the organizations of the city Cleveland. From this example outline the analysts needs to isolate the organizations into bunches into little, medium and huge dependent on the representatives of each organization. Here the specialist should break down each organization. Through straightforward arbitrary sampling the scientist can gather the information of each organization. Here each organization in the example casing will be taken for assessment. Through orderly inspecting the scientist can list the organizations of city Cleveland for investigation. The scientist can choose any organization arbitrarily for examination.  

Since the each organization of city Cleveland ought to be considered for examine and each organization must be bunch into three a methodical research is required. In this way the two plans Simple Random Sampling and Systematic Sampling plans are utilized.

answer/// equals both average variable cost and average total cost at their respective minimums;