Casio fx-9860G AU Calculator User Manual


 
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kk
kk
k Student-t Distribution
uu
uu
u Student-t Probability Density
Student-t probability density calculates t probability density from a specified x value.
f
(x) =
Γ
Γ
df
π
df+1
2
2
df
2
df + 1
df
x
2
1+
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
when the [Stat Wind] setting is [Auto].
Xmin = –3.2, Xmax = 3.2, Xscale = 1,
Ymin = –0.1, Ymax = 0.45, Yscale = 0.1
6-7-7
Distribution