Standard deviation is defined as the square root of the variance.
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Q7: Use the following to answer questions 16-18:
In
Q8: Outliers may render a range useless for
Q9: Nominal variables should be displayed on:
A) Bar
Q10: Crosstabulations show relationships between _, while elaboration
Q11: The measure of central tendency most appropriate
Q13: Data cleaning occurs before data entry.
Q14: A normal distribution is generally bell-shaped.
Q15: A frequency polygon contains solid bars separated
Q16: In distributions with an even number of
Q17: Means are affected by skewness, while medians
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