Casio FX-9860GII-L-IH User Guide - Page 353
Student, Distribution, Probability Density
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6-7-7 Distribution k Student-t Distribution u Student-t Probability Density Student-t probability density calculates t probability density from a specified x value. f (x) = Γ df + 2 1 Γ df 2 1+ x2 df - df+1 2 π df Perform the following key operations from the statistical data list. 5(DIST) 2(t) 1(tpd) Data is specified using parameter specification. The following shows the meaning of each item. x data df degrees of freedom (df > 0) Save Res list for storage of calculation results (None or List 1 to 26) Execute executes a calculation or draws a graph After setting all the parameters, use c to move the highlighting to "Execute" and then press one of the function keys shown below to perform the calculation or draw the graph. • 1(CALC) ... Performs the calculation. • 6(DRAW) ... Draws the graph. Calculation Result Output Example p Student-t probability density # Current V-Window settings are used for graph drawing when the Setup screen's [Stat Wind] setting is [Manual]. The V-Window settings below are set automatically 20050401 when the [Stat Wind] setting is [Auto]. Xmin = -3.2, Xmax = 3.2, Xscale = 1, Ymin = -0.1, Ymax = 0.45, Yscale = 0.1