Measures of Dispersion MCQ
The mathematical average of the squared deviations from the mean is called _____.
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The square root of the mathematical average of squared deviations from the mean. It is the square root of the variance is called ______deviation.
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The difference between the values of the highest and lowest cases in a distribution is called ______.
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A bell-shaped symmetrical distribution of cases is called _____.
Answer
Correct Answer:
Normal curve
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A group of statistics that describe how tightly or loosely distribution cases are clustered is called Measures of dispersion.
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The mathematical average of deviations from the mean (measured in absolute values)is called ______.
Answer
Correct Answer:
Mean deviation
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The difference between the values at the third and first quartiles in a distribution is called Interquartile range.
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The degree to which cases are clustered around a specific value, usually the meanis called _____.
Answer
Correct Answer:
Dispersion
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A way to graphically represent a distribution using the 25th percentile, 50th percentile (median), and 75th percentile is called _____.
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