Use the table below to find the standard deviation of the following data set: Use at least three decimal places of accuracy at each step.
12, 17, 17, 37, 43, 46
X-X
(X-x)²
12 -16.666 277.755556
17 -11.666 136.095556
17 -11.666 136.095556
37 8.334 69.455556
43 14.334 205.463556
46 17.334 300.467556
SUM 1125.33334