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Find Correlation Coefficient {{10-20,20-30,30-40,40-50,50-60},{15,25,20,12,8}}

Solution:
Your problem `->` Correlation Coefficient {{10-20,20-30,30-40,40-50,50-60},{15,25,20,12,8}}


Mean `bar x = (sum x_i)/n`

` = (15+25+35+45+55)/5`

` = 175/5`

` = 35`

Mean `bar y = (sum y_i)/n`

` = (15+25+20+12+8)/5`

` = 80/5`






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