Objectives
Completion requirements
- Display and interpret graphs using quantitative data including stem-and-leaf plots, line graphs, and box plots.
- Construct a histogram from a frequency distribution table.
- Interpret data using histograms and time series graphs.
- Analyze a frequency distribution table and determine the sample size, class width and class midpoints.
- Recognize, describe, and calculate the measures of locations of data: quartiles, median, five number summary, interquartile range outliers, upper and lower fences, and percentiles.
- Distinguish between a parameter and a statistic.
- Calculate and differentiate between different measures of center: mean, median, and mode.
- Calculate the mean of a frequency distribution: GPA and weighted grade.
- Interpret the shape of the distribution from a graph: normal/symmetric, skewed, or uniform.
- Calculate and differentiate between different measures of spread: range, variance, and standard deviation.
- Determine if a data value is unusual based on standard deviations, mu+/-2sigma.
Last modified: Sunday, 22 March 2026, 9:54 PM