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Summarizing quantitative data
Measuring center in quantitative data
More on mean and median
Interquartile range (IQR)
Variance and standard deviation of a population
Variance and standard deviation of a sample
More on standard deviation
Box and whisker plots
Other measures of spread
Math
Statistics a...
Summarizing ...
Variance and...
Explore how to calculate and interpret the variance and standard deviation of a sample, developing skills in analyzing variability in quantitative data.
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Sample variance
Khan Academy
9th - 12th Grade
10 Qs
Sample standard deviation and bias
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