User manual - Distribution (DIST)

55
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u F Distribution Probability
F distribution probability calculates the probability of F distribution data falling between two
specific values.
p =
Γ
n
2
dx
x
d
n
n
2
–1
2
n
Γ
2
n + d
Γ
2
d
d
nx
1 +
n + d
2
–
a
b
∫
a : lower boundary
b : upper boundary
Perform the following key operation from the statistical data list.
5 (DIST)
e (F)
c (C.D)
Data is specified using parameter specification. The following shows the meaning of each
item.
Lower .......................... lower boundary
Upper .......................... upper boundary
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 20)
Execute ....................... executes a calculation
After setting all the parameters, align the cursor with [Execute] and then press the function
key shown below to perform the calculation.
• 1(CALC) ... Performs the calculation.
# There is no graphing for F distribution
probability.