Dispersion measures
Quiz
•
English
•
10th Grade
•
Practice Problem
•
Hard
Saskia Bravo
Used 2+ times
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8 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is meant by Dispersion Measures in Statistics?
In statistics, dispersion Measures refer to positive real numbers that help to measure the variability of data about a central point.
In statistics, dispersion measures refer to numbers that help to measure the variability of data about a medium point
Measures of dispersion refer to positive real numbers.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the coefficient of variation?
It is a statistical measure that provides little information in a set of data
It is a statistical measure that provides information regarding the relative dispersion of a set of data. It is expressed as the ratio of the standard deviation to the mean.
Coefficient of variation is a statistical measure that provides information regarding the relative dispersion of a set of data. It is a statistical measure that provides information on a data set and only expresses the mean of a population
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the uses of measures of dispersion?
Measures of central tendency are used to calculate “normal” values of a dataset, measures of dispersion are crucial in explaining the range of the data, or its variation around a mean value.
Measures of central tendency are used to calculate “normal” values just of a sample.
None of the answers are correct
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The next Formula belongs to which measure of the dispersion:
Variance
Coefficient of variation
Standard deviation
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What are the two types of variance?
Population Variance
Sample Variance
Coefficient of variance
Standard deviation
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is not a measure of dispersion?
Standard Deviation
Variance
Mode
Coefficient of variation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main point of the Standard desviation?
The standard deviation provides information about the average dispersion of a variable.
Measures of central tendency are used to calculate “normal” values just of a sample.
Measures of dispersion refer to positive real numbers.
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