Casio fx-5800P yσn, o, p, xσn, Sum Commands, Σxi, Σyi, Σ(yi –, Σ(yi –, Σ(xi – o)2, Σ(xi – o)2

x¯		z7(STAT)2(VAR)2
Obtains the mean of the sample x-data.	Σxi
o =
	n
xσn		z7(STAT)2(VAR)3

Obtains the population standard deviation of the sample x-data.

	xσn =	Σ(xi – o)2
		n
xσn–1			z7(STAT)2(VAR)4

Obtains the sample standard deviation of the sample x-data.

	xσn–1 =	Σ(xi – o)2
		n – 1
y¯			z7(STAT)2(VAR)5

Obtains the mean of the sample y-data.

p =	Σyi
	n
yσn		z7(STAT)2(VAR)6

Obtains the population standard deviation of the sample y-data.

yσn =	Σ(yi –		)2
		y
	n
yσn–1				z7(STAT)2(VAR)7

Obtains the sample standard deviation of the sample y-data.

yσn–1 =	Σ(yi –		)2
		y
	n – 1
Sum Commands
ƙx2				z7(STAT)2(VAR)c1

Obtains the sum of squares of the sample x-data.

Σx2 = Σxi2

ƙx z7(STAT)2(VAR)c2

Obtains the sum of the sample x-data.

Σx = Σxi

E-81