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 descriptive statistic involves adding up all of the scores in the data set and dividing that figure by the total number of scores in the data set?
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Mean
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Median
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Mode
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Range
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Standard deviation
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Explanation:
Detailed explanation-1: -Mean. The arithmetic mean of a variable, often called the average, is computed by adding up all the values and dividing by the total number of values.
Detailed explanation-2: -The mean (average) of a data set is found by adding all numbers in the data set and then dividing by the number of values in the set.
Detailed explanation-3: -To find the mean, add up the values in the data set and then divide by the number of values that you added.
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