User Manual


• 绘制学生- t 累积分布图形
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df 
󰇒󰁏


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1
4152
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
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

•󰅔󰄗󰅘󰅔󰅦
<
x <󰁸
•
p 󰅕󰅕󰅘p p 󰅘
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• 绘制 
2
累积分布图形
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1
df 
󰇒󰁏


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1
4153
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
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•󰅔󰄗󰅘󰅔󰅦
<
x <󰁸
•
p 󰅘p 
• 绘制 F 累积分布图形
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1
ndf ddf 
󰇒󰁏
󰇑󰇒󰁏



1
4154



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•󰅔󰄗󰅘󰅔󰅦<

x <󰁸
•
p 󰅘p 
tLow = Lower tUp = Upper
Γ
2
df + 1
df
x
2
1 +
df + 1
2
p = ×
–
Γ
2
df
dx
df
×
π
Upper
Lower
∫
1
p = ×
Γ
2
df
df
2
df
2
××
2
1
dxx
– 1
x
2
e
–
Upper
Lower
∫
ndf
2
ndf
2
p = ×××
–
Γ
2
ndf + ddf
×
Γ
2
ndf
Γ
2
ddf
ddf
ndf
ndf + ddf
2
ddf
ndf × x
dxx
– 1
1 +
Upper
Lower
∫