Calculate karl pearson's coefficient of correlation between expenditure and sales from given data.

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written 5.2 years ago by

teamques10 ★ 65k

modified 5.2 years ago by

Adevertising Expenses (000 Rs)	39	65	62	90	82	75	25	98	36	78
Sales (Lakhs of Rupees)	47	53	58	86	62	68	60	91	51	84

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written 5.2 years ago by

teamques10 ★ 65k

SR No.	Advertising (X-90)			Sales (Y-86)			Product
	X	dx	$dx^2$	y	dy	$dy^2$	dxdy
1	39	-51	2601	47	-39	1521	1989
2	65	-25	625	53	-33	1089	825
3	62	-28	784	58	-28	784	784
4	90	0	0	86	0	0	0
5	82	-8	64 …

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