Relative Dispersion & Probability
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Part A)
What is the relative dispersion for each group?
Explain the relative dispersion difference between the two?
Mean StdDev
Group 1 78 15
Group 2 47 10
Group 1 - Trashcan wt in rural area
Group 2 - Trashcan wt in city
NOTE: Both samples taken from large group.
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Part B)
One of the trash cans contained the following items:
Garbage 10 lbs
Paper 5 lbs
Plastic 3 lbs
Boxes 6 lbs
Misc. 10 lbs
For any given sample if even distributed:
a. The probability that the sample is boxes?
b. The above estimate was based on which probability concept?
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Solution Summary
Solution attaches a .doc file showing how to calculate the relative dispersion between two groups and the probability that trashcans from those groups contain specific items.
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Statistics Fundamentals II - Chapter 6 ex. 5
Part A)
What is the relative dispersion for each group?
Solution:
The Dispersion is nothing but the spread of the random variable. Dispersion based on standard deviation is,
For Group 1
= = = 0.1923
For Group 2
= = = 0.2127
Explain the relative dispersion difference ...
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