Sharp EL-9650 - Page 203

193
STATISTICS/ REGRESSION CALCULATIONS
for US
[06 pdfχ
2
(]: Finds the probability density of specified value x for χ
2
distribution with n
degrees of freedom (cannot be entered using lists).
Format: pdfχ
2
(value of x, degrees of freedom)
* Degrees of freedom is a positive integer.
<Example 6>
Find the probability density of χ
2
distribution with 15 degrees of freedom when “x = 6.5”.
Key operation:
F 0 6 6.5 , 15 ) ®
[07 cdfχ
2
(]: Finds the x
2
distribution probability of a specified range of x for χ
2
distribu-
tion with n degrees of freedom (cannot be entered using lists).
Format: cdfχ
2
(lower limit, upper limit, degrees of freedom)
* Degrees of freedom is a positive integer.
<Example 7>
Find the probability of range “x = 3 to 15” for χ
2
distribution with 10 degrees of freedom.
Key operation:
F 0 7 3 , 15 , 10 ) ®
[08 pdfF (]: Finds the probability density of specified value x for F distribution that
possesses two independent degrees of freedom, m and n (cannot be entered using
lists).
Format: pdfF (value of x, degrees of freedom of numerator, degrees of freedom of
denominator)
* Degrees of freedom for m and n are positive integers.
<Example 8>
Find the probability density for F distribution generated with degrees of freedom 15 and
10 when “x = 3”.
Key operation:
F 0 8 3 , 15 , 10 ) ®
* An error may occur when entering an extremely large number
(exceeding 100, etc.) for the degrees of freedom.
,
,
,
, ,
EL-9650-(07)En (178-196) 8/1/00, 9:08 AM193