Find the Standard Deviation for the Given Sample Data $\quad$ $414 $\quad$

Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in the original data.
-To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below:

$304 $\quad$ $414 $\quad$ $428 $\quad$ $166 $\quad$ $385 $\quad$ $298 $\quad$ $250 $\quad$ $441

A) $901,824.5
B) $968,562.0
C) $97.6
D) $413.0