Calculate and apply appropriate measures of central tendency, spread, and cumulative frequency, including median, mean, range, quartiles, inter-quartile range, mode, and modal class.
Calculate percentage increases or decreases, such as population changes, from line graphs or data tables.
Construct histograms of normal and skewed distributions and use them to calculate percentiles.
Describe relationships in bivariate data by sketching trend lines and drawing estimated lines of best fit on scatter plots.
Interpolate and extrapolate trends on line graphs to make data-driven predictions.
Identify and evaluate weaknesses and limitations in the selective statistical presentation of data, such as in scatter graph interpretations.