What is the primary purpose of measures of variation in statistics?

140.Q2

Quiz
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Professional Development
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Professional Development
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Hard
Lucilyn Borja
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60 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To summarize the center or midpoint of a data set
To identify outliers in the data
To measure the spread or dispersion of data points
To calculate the mean of a dataset
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following measures of variation is most influenced by outliers?
Range
Variance
Standard deviation
Interquartile range
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which measure of variation provides an indication of the average distance between each data point and the mean of the dataset?
Range
Variance
Standard deviation
Interquartile range
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following measures of variation is not affected by extreme values or outliers?
Range
Variance
Standard deviation
Interquartile range
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which measure of variation is calculated as the average squared deviation from the mean of the dataset?
Range
Variance
Standard deviation
Interquartile range
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a dataset with an even number of values, how is the median calculated?
It is the value at the center of the dataset
It is the average of the two middle values
It is the most frequently occurring value
It is the difference between the largest and smallest values
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which measure of central tendency is not influenced by the number of observations in a dataset?
Mean
Median
Mode
Range
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