Quartiles and percentiles are two of the most popular measures of dispersion.
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Q122: The median and the 50th percentile are
Q123: The mode is the most useful measure
Q124: In a positively skewed distribution,the mode is
Q125: The interquartile range measures the spread of
Q126: A variable measured at the interval or
Q128: The coefficient of variation (CV)is a measure
Q129: Consider two possible investments with the same
Q130: The variance of a set of data
Q131: If the mean is greater than the
Q132: Suppose that the average score on an
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