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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Here are the times (in minutes) that six students needed to finish a quiz:10, 14, 15, 15, 14, 10The Mean Absolute Deviation for this data is 2.A seventh student took 8 minutes to finish the quiz. We added his time to our data. What will happen to the MAD?
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It will decrease because our range is bigger.
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It will increase because our range is bigger.
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It will not change.
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It will decrease because we have more numbers in our data set.
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Explanation:
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