METHODS OF DATA ANALYSIS
MEASURES OF DISPERSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is a property of the standard deviation? Check all that apply.
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It can be negative.
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All the values in the distribution are used in computing for the standard deviation.
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It is in the same units as the original data
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It is the most widely reported measure of dispersion.
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Explanation:
Detailed explanation-1: -Measures of Dispersion or Variability They include the range, interquartile range, standard deviation and variance.
Detailed explanation-2: -The best measurement for dispersion is standard deviation. Standard Deviation helps to make comparison between variability of two or more sets of data, testing the significance of random samples and in regression and correlation analysis.
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