15
	x	y	x2	y2	xy			n	=	7
	61	10	3721	100	610			Σx	=	422
	70	16	4900	256	1120			Σy	=	99
	50	12	2500	144	600			Σx2	=	26084
	65	15	4225	225	975			Σy2	=	1513
	48	8	2304	64	384			Σxy	=	6143
	75	20	5625	400	1500
	53	18	2809	324	954
								SKxx	=	643,429
								SKyy	=	112,857
								SPxy	=	174,714
							d)	b1	=	0,272
								b0	=	-2,227
							f)	r	=	0,648
								r2	=	0,420
							g)	y(60)	=	14,065
							h)	s	=	3,617
							i)	α	=	0,010
								t5;0.005	=	4,032
								sb1	=	0,143
								β1	ε	-0,30	0,85
							j)	α	=	0,020		H0:	β1=0
								t5;0.02	=	3,365		H1:	β1>0
								t	=	1,904
							k)	α	=	0,050		Xp	60
								t5;0.025	=	2,571		Yp	14,0653
								SYp	=	1,368
								Yp	ε	10,549	17,581
							l)	α	=	0,025		Xp	60
								t5;0.025	=	2,242		Yp	14,0653
								SYp	=	3,867
								Yp	ε	5,396	22,734
							m)	α	=	0,020		H0:	ρ=0
								t5;0.01	=	3,365		H1:	ρ>0
								t	=	1,904