1 12 1 4

1 12 1 4

Input
{1, 12, 1, 4}
Total
1 + 12 + 1 + 4 = 18
Statistics
mean | 4.5
median | 2.5
sample standard deviation | 5.196
Vector length
9 sqrt(2)~~12.7279
Normalized vector
(1/(9 sqrt(2)), (2 sqrt(2))/3, 1/(9 sqrt(2)), (2 sqrt(2))/9)

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