Question

2006
de 1. Calculate coefficient of correlation by concurrent deviation method :
Years 2001 2002 2003 2004 2005
Supply: 140
154
160
140
174
Price
180
160
190
200
210
180
220
$\sqrt[rc]{\frac{2c - n}{n} }$
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Answer 1

Answer:

120 is the closet answer