User's Manual

20070201
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 χ
2
Distribution
u χ
2
Probability Density
χ
2
probability density calculates the probability density function for the χ
2
distribution at a
specifi ed x value.
Perform the following key operations from the statistical data list.
5 (DIST)
3 (CHI)
1 (Cpd)
Data is specifi ed using parameter specifi cation. 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.
f
(x) =
Γ
1
2
df
df
2
x e
2
1
df
2
–1
x
2
–
f
(x) =
Γ
1
2
df
df
2
x e
2
1
df
2
–1
x
2
–
6-7-9
Distribution