Question

Calculate the linear correlation coefficient for the data below.
            Calculate the linear correlation coefficient for the data below.
            

x : 4, 6, 13, 10, 8, 7, 9, 11, 12, 5

y : 17, 12, 0, 5, 9, 10, 7, 2, 1, 14

Answer 1

X	Y	X*Y	X2	Y2
4	17	68	16	289
6	12	72	36	144
13	0	0	169	0
10	5	50	100	25
8	9	72	64	81
7	10	70	49	100
9	7	63	81	49
11	2	22	121	4
12	1	12	144	1
5	14	70	25	196
sum= 85	sum = 77	sum= 499	sum= 805	sum= 889

ANS : - 0.995