TS EAMCET · Maths · Statistics
The mean deviation about the mean for the following data is \begin{array}{|c|c|c|c|c|c|}\hline Class interval & 0-2 & 2-4 & 4-6 & 6-8 & 8-10 \\hline Frequency & 1 & 3 & 5 & 3 & 1 \\hline\end{array}
- A 2
- B \(\frac{15}{13}\)
- C \(\frac{22}{13}\)
- D \(\frac{20}{13}\)
Answer & Solution
Correct Answer
(D) \(\frac{20}{13}\)
Step-by-step Solution
Detailed explanation
\begin{array}{|c|c|c|c|c|c|}\hline \text{Class interval} & \text{Class marks} & \text{Frequency} & \text{xifi} & \left(x_i-\bar{x}\right) & f_i\left(x_i-\bar{x}\right) \\\hline 0-2 & 1 & 1 & 1 & 4 & 4 \\\hline 2-4 & 3 & 3 & 9 & 2 & 6 \\\hline 4-6 & 5 & 5 & 25 & 0 & 0 \\\hline…
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