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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Determine if the statement as having variability or no variability.The amount of Peppermint Mochas Starbucks sells all year.
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Variability
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No Variability
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The most common measures of variability are the range, the interquartile range (IQR), variance, and standard deviation. The range is the difference between the largest and smallest values in a set of values.
Detailed explanation-2: -A simple measure of variability is the range, the difference between the highest and lowest scores in a set. For the example given above, the range of Drug A is 40 (100-60) and Drug B is 10 (85-75). This shows that Drug A scores are dispersed over a larger range than Drug B.
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