The sum of the average of the squared deviations about the arithmetic mean, divided by the sample size minus one is called the sample variance.
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Q1: It is inappropriate to use the mean
Q2: Average deviation is a common measure of
Q3: Data sets with more than one mode
Q3: The most frequently occurring value in a
Q7: An appropriate measure of central tendency for
Q7: Measures of variability include percentiles and quartiles.
Q8: The mean of Q3 and Q2 is
Q9: The greater the coefficient of variation value
Q17: The lowest appropriate level of measurement for
Q20: The most appropriate measure of central tendency
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