The sample data is: 19, 12, 9, 19, 0, 1, 3, 14, 15, 5, 24, 2, 5, 7, 17.
There are $n=15$ data points.
The sum of the data points is:
$\sum_{i=1}^{15} x_i = 19 + 12 + 9 + 19 + 0 + 1 + 3 + 14 + 15 + 5 + 24 + 2 + 5 + 7 + 17 = 162$
The sample mean is:
$\bar{x} =
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