statistik

nim mahasiswa	uts	na	x	y	x.y	x2	y2
1	83	82	11,04	9,16	101,1264	121,8816	83,9056
2	66	73	-5,96	0,16	-0,9536	35,5216	0,0256
3	60	25	-11,96	-47,84	572,1664	143,0416	2288,666
4	89	86	17,04	13,16	224,2464	290,3616	173,1856
5	60	71	-11,96	-1,84	22,0064	143,0416	3,3856
6	47	61	-24,96	-11,84	295,5264	623,0016	140,1856
7	76	75	4,04	2,16	8,7264	16,3216	4,6656
8	73	80	1,04	7,16	7,4464	1,0816	51,2656
9	53	66	-18,96	-6,84	129,6864	359,4816	46,7856
10	60	74	-11,96	1,16	-13,8736	143,0416	1,3456
11	76	73	4,04	0,16	0,6464	16,3216	0,0256
12	70	71	-1,96	-1,84	3,6064	3,8416	3,3856
13	83	74	11,04	1,16	12,8064	121,8816	1,3456
14	60	74	-11,96	1,16	-13,8736	143,0416	1,3456
15	83	67	11,04	-5,84	-64,4736	121,8816	34,1056
16	71	78	-0,96	5,16	-4,9536	0,9216	26,6256
17	76	82	4,04	9,16	37,0064	16,3216	83,9056
18	81	80	9,04	7,16	64,7264	81,7216	51,2656
19	73	77	1,04	4,16	4,3264	1,0816	17,3056
20	84	78	12,04	5,16	62,1264	144,9616	26,6256
21	79	83	7,04	10,16	71,5264	49,5616	103,2256
22	70	58	-1,96	-14,84	29,0864	3,8416	220,2256
23	70	79	-1,96	6,16	-12,0736	3,8416	37,9456
24	86	78	14,04	5,16	72,4464	197,1216	26,6256
25	70	76	-1,96	3,16	-6,1936	3,8416	9,9856
25	1799	1821	0	0	1602,84	2786,96	3437,36