The table to the right gives the average sales tax rate​ (state plus​ local) in six east coast states and six western states. Complete parts​ (a) through​ (e) below. East coast states West coast states   A 6.70​% U 8.50​%   B 5.75​% V 1.65​%   C 6.00​% W 0.00​%   D 0.00​% X 8.93​%   E 7.49​% Y 8.50​%   F 7.00​% Z 6.59​%   c. Find the standard deviation for each of the data sets.

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The table to the right gives the average sales tax rate​ (state plus​ local) in six east coast states and six western states. Complete parts​ (a) through​ (e) below.
East coast states
West coast states
 
A
6.70​%
U
8.50​%
 
B
5.75​%
V
1.65​%
 
C
6.00​%
W
0.00​%
 
D
0.00​%
X
8.93​%
 
E
7.49​%
Y
8.50​%
 
F
7.00​%
Z
6.59​%
 
c. Find the standard deviation for each of the data sets.
 
The standard deviation for the east coast states is .
​(Type an integer or decimal rounded to three decimal places as​ needed.)
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