Sharp el-9950 - Page 183

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Chapter 8: Statistics & Regression Calculations
08 pdfF( pdfF(value, degree of freedom of numerator, degree of free-
dom of denominator)
FindstheprobabilitydensityofaspeciedvaluexfortheF
distribution that possesses two independent degrees of freedom,
mandn.Alistcannotbeused.
Limitations:Degreeoffreedom
≤
70
• Degreeoffreedomisapositiverealnumber.
• Anerrormayoccurwhenanextremelylargenumberisentered
for degrees of freedom.
Example
Findtheprobabilitydensityfor
theFdistributiongeneratedwith
degrees of freedom 15 and 10
when x = 3.
09 cdfF( cdfF(lower limit, upper limit, degree of freedom of numerator,
degree of freedom of denominator)
FindstheFdistributionprobabilityofaspeciedrangexfortheF
distributionwithtwoindependentdegreesoffreedom,mandn.A
list cannot be used.
Limitations:
Degree of freedom
≤
670
• Degreeoffreedomisapositiverealnumber.
• Anerrormayoccurwhenanextremelylargenumberisentered
for degree of freedom.
Example
Findtheprobabilityoftherange
x=0to2.5fortheFdistribution
generated with degrees of
freedom 15 and 10.