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2021 AP Statistics Free Response Question #1
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2021 AP Stats FRQ #1
a. Five number summary from a frequency table or dotplot: minimum, lower quartile (Q1), median, upper quartile (Q3), maximum
b. Testing for outliers using 1.5 x IQR and the 2 standard deviations rule
c. Median and IQR are resistant to outliers and skewness while mean and standard devation are not resistant to outliers and skewness
a. Five number summary from a frequency table or dotplot: minimum, lower quartile (Q1), median, upper quartile (Q3), maximum
b. Testing for outliers using 1.5 x IQR and the 2 standard deviations rule
c. Median and IQR are resistant to outliers and skewness while mean and standard devation are not resistant to outliers and skewness
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