Compute the Standard Deviation of a Variable from Raw Data $145,135,195,180,105$

Multiple Choice

Compute the Standard Deviation of a Variable from Raw Data
-The top speeds (in mph) for a sample of five new automobile brands are listed below. Calculate the standard deviation of the speeds.
$145,135,195,180,105$

A) $36.0 \mathrm { mph }$
B) $27,360.00 \mathrm { mph }$
C) $152.00 \mathrm { mph }$
D) $90 \mathrm { mph }$