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k k k k k Student-t Distribution
u u u u u Student-t Probability Density
t
Student-
probability density calculates
f (x) =
Perform the following key operations from the statistical data list.
5(DIST)
c(T)
b(P.D)
Data is specified using parameter specification. The following shows the meaning of each
item.
x
.................................. data
df
................................. degrees of freedom (
Save Res ..................... list for storage of calculation results (None or List 1 to 20)
Execute ....................... executes a calculation or draws a graph
After setting all the parameters, align the cursor with [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 SET UP screen's
[Stat Wind] setting is [Manual]. The V-
Window settings below are set automatically
1-4-7
Distribution (DIST)
t
probability density from a specified
df+1
–
2
df + 1
x
2
1+
2
df
df
df
2
20011101
20010101
df
> 0)
when the [Stat Wind] setting is [Auto].
Xmin = –3.2, Xmax = 3.2, Xscale = 1,
Ymin = –0.1, Ymax = 0.45, Yscale = 0.1
x
value.
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