W3_practice

	A	B	C	D	E	F	G	H	I	J	K	L
1	X	M	squared_errors	SS	variance or MSE	stdev or RMSE	z-score	mean_z_score	deviations_from_mean_z	deviations_sq	var(z)	sd(z)
2	0	3	9	24	4	2	-1.5	0	-1.5	2.25	1	1
3	6		9				1.5		1.5	2.25
4	5		4				1		1	1
5	2		1				-0.5		-0.5	0.25
6	3		0				0		0	0
7	2		1				-0.5		-0.5	0.25
8
9							0
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