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
In June 2009, the average Australian credit card account balance was $3,127, according to data extracted Assuming that these balances are approximately Normally distributed with a


Statistical process control, a methodology used for controlling and improving the outcomes of operational processes, has been in use for almost 100 years!  It was widely used in ma

if my income for the rest of the month was 2,500 and i recieved 1,200 in cash balance on account where would i put this

List down various measures of central tendency and explain the difference between them?


The BBC hosts a homophone quiz on its website; your task for this lab is to develop an automatic method for completing the quiz, with the aim being to get as high a score as possib

The owner of Big Fish supermarket was reviewing some data from a research report on the type of advertisements in the local paper that are most effective.  Three types of ads (big


Lifts usually have signs indicating their maximum capacity. Consider a sign in a lift that reads “maximum capacity 1400kg or 20 persons”. Suppose that the weights of lift-users are