Ts Eamcet
Statistics
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ+1 / -02020
\(\text { The variance of the following frequency distribution is }\)
$$ \begin{array}{ccccccc} \hline \text { Classes } & 0-10 & 10-20 & 20-30 & 30-40 & 40-50 & 50-60 \\ \hline \text { Frequency } & 11 & 29 & 18 & 4 & 5 & 3 \\ \hline \end{array} $$