Casio fx-9860G SD - Manual (Page 355)

20050401
Calculation Result Output Example
p .................................. Student- t distribution probability
t:Low ........................... t:Low value (input lower value)
t:Up ............................. t:Up value (input upper value)
k k k k k
χ
2 Distribution
u u u u u χ 2 Probability Density
χ 2 probability density calculates the probability density function for the
χ 2 distribution at a
specified x value.
f (x) =
Γ
1
2
df
df
2
x e
2
1
df
2
–1
x
2
–
Perform the following key operations from the statistical data list.
5(DIST)
3(CHI)
1(Cpd)
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 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.
6-7-9
Distribution