Question Number 171497 by MathsFan last updated on 16/Jun/22
Commented by MathsFan last updated on 16/Jun/22
$${Any}\:{help}\:{please} \\ $$
Commented by cortano1 last updated on 16/Jun/22
$$\rho\:=\sqrt{\frac{\Sigma\left({x}_{{i}} −\overline {{x}}\right)^{\mathrm{2}} }{{n}}}\:=\sqrt{\frac{\mathrm{25}+\mathrm{81}+\mathrm{49}+\mathrm{4}}{\mathrm{4}}}\:=\mathrm{6}.\mathrm{305} \\ $$$$ \\ $$
Commented by MathsFan last updated on 16/Jun/22
$${thank}\:{you} \\ $$