Casio CFX9850GBPLUS User Manual page 358

Calculation Result Output Example
p ..................................
F
k
Distribution
F
u
Probability Density
F
probability density calculates the probability density function for the
x
specifi ed value.
f (x) = f (x) =
Perform the following key operations from the statistical data list.
5 (DIST)
4 (F)
1 (Fpd)
Data is specifi ed using parameter specifi cation. The following shows the meaning of each
item.
x
................................. data
n df
: ............................. numerator degrees of freedom (positive integer)
d df
: ............................. denominator 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.
6-7-12
Distribution
2
distribution probability
n + d n + d
n n
n n
2 2 –1 –1
2 2
n n
2 2
x x
n n d d d d
2 2 2 2
20070201
F
n + d n + d
– –
2 2
nx nx
1 + 1 +
d d
distribution at a