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

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


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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