Method of analysis used by the firm, Basic Statistics

1. (i) Complaints were made about the level of pollutants in the discharge from a certain factory.  The factory refuted the complaints by showing the results of their own analysis of the discharges.  However, the Environmental Health Agency claimed the method of analysis used by the firm was faulty.  A comparison was made over nine days using two methods of analysis in parallel to check the pollution levels.  The results (in ppm.) are shown below:

1784_Method of aanalysis used by the firm.png

Does the data suggest the firm's method does underestimate the level of pollution?

(ii)  A company making electronic products has studied the pollution in the atmosphere by taking samples of air flowing into their filters and counting the number of dust particles.  The results are shown below.

Number of Particles In Sample

Number of Occasions

0

34

1

46

2

38

3

19

4

4

5

2

6 or more

0

(a) What model would be expected to describe this data?

(b) Test to see if your suggestion appears to be valid.

Posted Date: 2/26/2013 12:27:49 AM | Location : United States







Related Discussions:- Method of analysis used by the firm, Assignment Help, Ask Question on Method of analysis used by the firm, Get Answer, Expert's Help, Method of analysis used by the firm Discussions

Write discussion on Method of analysis used by the firm
Your posts are moderated
Related Questions
Long Term Credit Decision In no more than one typed page, provide a statement of your decision to lend or not lend to this company based on your interpretation of the company'

1. If each sample taken has 500 units, and the average proportion nonconforming is 0.034, what is the upper and lower control limits for the p-chart? 2. If you sample 450 parts

Mean The mean is commonly the most significant of all the numerical measurements used to describe data, and it is what the most people call an average. Example  Find


For this assignment, you will practice creating null and alternative hypotheses of difference based on the presented scenarios. To complete this assignment, consider the three scen

The data in the table below are the results of a random sample of recent home sales in your neighborhood that your boss has asked you to use to estimate the relationship between th

Amp-amplification law The job of an amplifier is obviously to amplify, but the law it abides by isn’t so simple. Ultimately, the amplifier is comparable to a valve, in the sense

Explain the effects of the transactions on Accounting Equation under a Financial Accounting System. Ans. Under the Double Entry System each of the financial transaction bring the


Define Agency solutions Every condition agency, office, board, commission, department, condition organization, or condition organization of degree, which includes all condition u