The standard deviation of the following distribution is $\begin{array}{|l|c|c|c|c|} \hline \begin{array}{l}…

The standard deviation of the following distribution is $\begin{array}{|l|c|c|c|c|} \hline \begin{array}{l} \text { Class interval } \\ \end{array} & 0-10 & 10-20 & 20-30 & 30-40 \\ \hline \begin{array}{l} \text { Frequency } \\ \end{array} & 1 & 3 & 4 & 2 \\ \hline \end{array}$
  1. 9
  2. 8
  3. 7
  4. 6

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (24 Apr Shift 2)

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