\(\begin{array}{c|c}
Class Interval & 3 - 5 & 6 - 8 & 9 - 11 \\ \hline Frequency & 2 & 2 & 2 \end{array}\). Find the standard deviation of the above distribution.
a
√5
b
√6
c
√7
d
√2
Explanation
Correct Option
bVideo Explanation
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