Range, Coefficient of Variation and Higher Dispersion
Not what you're looking for?
Two samples are given. Find each sample's A) standard deviation and B) Coefficient of variation. The decide C) which sample has the higher dispersion, and D) which sample has the higher relative dispersion.
A: 8,7,2,4,9
B: 11,7,8,11,3,11,7
It says do not round until the final answer. Then round to the nearest hundredth. on part A.
On part B it says round final answer to the nearest tenth as needed. Round all intermediate values to the nearest thousandth as needed.
Purchase this Solution
Solution Summary
The solution gives detailed steps on finding the range and coefficient of variation for data set using the mean, variance and standard deviation and then deciding which sample has the higher dispersion.
Solution Preview
For sample A,
mean=(8+7+2+4+9)/5=6
variance=[(8-6)^2+(7-6)^2+(2-6)^2+(4-6)^2+(9-6)^2]/(5-1)=8.5
so standard ...
Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.