Casio Algebra FX 2.0 PLUS User Manual page 54

Calculation Result Output Example
p .................................. Student-
t:Low ........................... t:Low value (input lower value)
t:Up ............................. t:Up value (input upper value)
k k k k k χ
Distribution
2
u u u u u χ
Probability Density
2
χ probability density calculates the probability density function for the χ
2
x
specified value.
f (x) =
Perform the following key operations from the statistical data list.
5(DIST)
2 )
d(χ
b(P.D)
Data is specified using parameter specification. The following shows the meaning of each
item.
x
.................................. data
df
................................. degrees of freedom (positive integer)
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.
1-4-9
Distribution (DIST)
t
distribution probability
df
df x
–1 –
1 1
2
x 2 e 2
2
df
Γ
2
20011101 20010101
distribution at a
2