Statistiques - HP 10BII Manuel D'utilisation

Statistiques

σx
∑
= ------- y
Sx =
Sy =
(
∑

∑
– --------------
= ------------------------------ -
r = --------------------------------------------------------------------------- -

2
∑
x –

m =
x ˆ
b = y mx –
∑
y
Z
= ------ - =
( ) 2
∑

∑
– --------------
------------------------------ -
–
2
( )
∑
y

∑
y – ------------- -
----------------------------- -
–
2
)
∑
σy
= ----------------------------- -
∑ ∑
x y
∑
xy – -------------- -
n
2
( )
∑
x  
2
∑
------------- - y –
 
n
∑ ∑
x y
∑
xy – -------------- -
n
------------------------------- -
( ) 2
∑
x
2
∑
x – ------------- -
n
y b –
= ---------- -
y ˆ
=
m
B: Calculs supplémentaires 145
∑
--------- -
∑
2
( )
∑
y

y – ------------- -
2
( )
∑
y 
------------- -

n
mx + b