Question
Find correlation coefficient between $\mathrm{x}$ andy series for the following data:
$
\mathrm{n}=15, \bar{x}=25, \bar{y}=18, \sigma_{\mathrm{x}}=3.01, \sigma_{\mathrm{y}}=3.03, \sum\left(x_{\mathrm{i}}-\bar{x}\right)\left(y_{\mathrm{i}}-\bar{y}\right)=122
$
$
\mathrm{n}=15, \bar{x}=25, \bar{y}=18, \sigma_{\mathrm{x}}=3.01, \sigma_{\mathrm{y}}=3.03, \sum\left(x_{\mathrm{i}}-\bar{x}\right)\left(y_{\mathrm{i}}-\bar{y}\right)=122
$