STATISTICAL TECHNIQUES AND TOOLS
MEASURES OF VARIABILITY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the mean of the data set:1, 8, 25, 30, 50, 72
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30
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31
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26
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25
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Explanation:
Detailed explanation-1: -The mean can be calculated only for numeric variables, no matter if they are discrete or continuous. It’s obtained by simply dividing the sum of all values in a data set by the number of values.
Detailed explanation-2: -Mean = 7. Hence, the mean of the first seven odd natural numbers is 7.
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