The valid percentage column in a frequency distribution represents percentages calculated by excluding the cases with missing values.
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Q11: If all the data points are multiplied
Q12: The tendency of the deviations from the
Q13: Mean,median,and mode are measures of variability.
Q14: In a frequency distribution,two variables are considered
Q15: The mean is sensitive to extremely small
Q17: If a variable is measured on a
Q18: When calculating the standard deviation,we divide by
Q19: The variance can never be negative.
Q20: The measures of location are also known
Q21: In cross-tabulation,the introduction of a third variable
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