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porterdylan15
28.05.2020 •
Mathematics
If SS=121 from a sample of 12 data, find the following: the standard deviation (Round to the nearest tenth if necessary.)
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Ответ:
3.3
Step-by-step explanation:
Standard deviation is a value evaluated to get an idea of the extent of deviation for a group as a whole.
The formula to find the standard deviation of a sample is given by :-
, where SS = Sum of square distance of data points from mean
n= Sample size.
As per given , we have
SS= 121
n= 12
Put these values in formula , we get
Hence, the required standard deviation = 3.3
Ответ:
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