Statistics · Module 2 · Describing data: graphs, center and spread

Descriptive Lab

Drag data points and watch the mean, median, standard deviation and box plot respond, solve unlimited practice problems with worked solutions, race the clock reading shapes, and try statistics from the clinic, the court and the real-estate listing. Nothing here is graded.

Part 1: Data Explorer

Drag any dot along the number line. On a keyboard, focus the picture, then use the left and right arrows to move the selected dot and up and down to pick another.
Data valueOutlier (1.5 × IQR rule)MeanMedianMean ± 1 SDBox plot