Casio fx-500ES Manual do Utilizador descarregar pdf (Página 15)

–14–

#046

A =

n

Σy – B

.

Σx

o

Σx

n

=

m

y – A

B

=

x

σ

n

n

=

Σ (x – o)

2

xσ

n

–1

n

– 1

=

Σ (x – o)

2

p

Σy

n

=

y

σ

n

n

=

Σ (y – p)

2

yσ

n

–1

n

– 1

=

Σ (y – p)

2

B

=

n

.

Σx

2

–

(

Σx

)

2

n

.

Σxy – Σx

.

Σy

r

=

{

n

.

Σx

2

–

(

Σx

)

2

}{

n

.

Σy

2

–

(

Σy

)

2

}

n

.

Σxy – Σx

.

Σy

n = A + Bx

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