Question
Find range for the following data:


lower limit of the lowest class (S) = 62
∴ Range = L – S = 72 – 62 = 10
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$\left[\begin{array}{ccc}1 & 2 & -5 \\ 2 & -3 & 4 \\ -5 & 4 & 9\end{array}\right]$
$\left[\begin{array}{ccc}3 & -2 & 4 \\ 0 & 0 & -5 \\ 0 & 0 & 0\end{array}\right]$