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Mathematics
Number which is mean of the squares of deviations from mean, is called ...... .
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Q. Number which is mean of the squares of deviations from mean, is called ...... .
Statistics
A
standard deviation
34%
B
variance
51%
C
median
9%
D
None of these
6%
Solution:
This number, i.e., means of the squares of the deviations from mean is called the variance and is denoted by $\sigma^2$ (read as sigma square).