DiagramPlot[{{x_1, y_1}, {x_2, y_2}, ...}] plots the Voronoi diagram of the points {{x_1, y_1}, ...}. DiagramPlot[{{x_1, y_1}, {x_2, y_2}, ...}, {q_1, q_2, ...}, val] plots ...
PlanarGraphPlot[{{x_1, y_1}, {x_2, y_2}, ...}] plots the Delaunay triangulation of the points {{x_1, y_1}, ...}.PlanarGraphPlot[{{x_1, y_1}, {x_2, y_2}, ...}, g] plots the ...
ErrorBarFunction is an option for ErrorListPlot that specifies a function to apply to determine the shape of error bars.
EconomizedRationalApproximation[expr, {x, {x_0, x_1}, m, n}] gives the economized rational approximation to expr that is good over the interval x_0 to x_1, with numerator ...
RationalInterpolation[expr, {x, m, n}, {x_1, x_2, ..., x n + m + 1}] gives the rational interpolant to expr with numerator order m and denominator order n, where x_1, x_2, ...
TruncateDendrogram is an option for DendrogramPlot that specifies the fusion levels at which to truncate the dendrogram.
EqualVariances is an option to statistical confidence interval and hypothesis test functions of two samples that specifies that unknown population variances are equal.
MeanCI
(Hypothesis Testing Package Symbol) MeanCI[list] gives a confidence interval for the population mean estimated from list.
NormalCI
(Hypothesis Testing Package Symbol) NormalCI[\[Mu], \[Sigma]] gives a confidence interval based on a normal distribution.
StudentTPValue[x, df] gives the cumulative probability beyond x for Student's t distribution with df degrees of freedom.