2021 AP Statistics Free Response Question #1
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
