This lesson on data presentation highlights various types of graphs including bar charts, pareto charts, pie charts, scatter plots, and histograms. A multiple choice test is given at the end.
This page will compute a kernel density estimate at a specified number of points, and plot the resulting estimate. Users specify type of kernel, bandwidth value, and the number of points at which...
This applet allows students to manipulate a regression line to obtain the least squares regression line. The square distance from each point to the line and the sum of squares is shown by different...
This lesson on descriptive statistics highlights various measures of location and spread such as mean, median, mode, range, variance, and standard deviation. A multiple choice test is given at the...
This lesson on types of variables highlights characteristics of quanitative (discrete/continuous)and qualitative (nominal/ordinal) variables as well as percentages and proportions. A multiple choice...
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