AP EAMCET · Maths · Statistics
The variance of the following continuous frequency distribution is
\(\begin{array}{lllll} \hline \text { Class Interval } & 0-10 & 10-20 & 20-30 & 30-40 \\ \hline \text { Frequency } & 2 & 3 & 4 & 1 \\ \hline \end{array}\)
- A 201
- B 62
- C 19
- D 84
Answer & Solution
Correct Answer
(D) 84
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