The variance $\sigma^2$ of the data .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-baqh{text-align:center;vertical-align:top} $x_i$ 0 1 5 6 10 12 17 $f_i$ 3 2 3 2 6 3 3 is _________.

Question

The variance $\sigma^2$ of the data

$x_i$	0	1	5	6	10	12	17
$f_i$	3	2	3	2	6	3	3

is _________.

Correct Answer

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