The standard deviation is a desirable statistic because metric variables are normally distributed.
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Q8: Boxplots are used for preliminary data analysis.
Q9: The boxplot is used with ordinal-level data.
Q10: The interquartile range is defined as the
Q11: Values above the upper fence are defined
Q12: The inner fence is an observed value.
Q13: Observations flagged as outliers generally should be
Q14: The normal distribution refers to the distribution
Q16: When variables are normally distributed, about 95%
Q17: Standardized variables have a mean of zero
Q18: Skewness is a measure of whether the
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