Answer:
40
you add a 0 to the four and boom
If you are really asking, then the answer is still 4
-3 because you could eliminate the 3x by subtracting it by 3x
I think you would most likely add all of them well I think
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➷ Standard deviation = 
Substitute the values in:
= 8.1975...
This can be rounded to give an approximate answer of 8.2
The answer is option A.
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