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AP EAMCET · Maths · Statistics

The mean deviation about the median for the following data \(6,3,4,9,2,7\) and 11 is

  1. A \(1.89\)
  2. B \(2.57\)
  3. C \(3.14\)
  4. D \(6.23\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(2.57\)

Step-by-step Solution

Detailed explanation

Given data is 6, 3, 4, 9,2,7 and 11 There are total 7 observation which isodd. So, Median \(=\) \(\left(\frac{\mathrm{x}-1}{2}\right)^{\mathrm{th}}=\left(\frac{\mathrm{x}+1}{2}\right)^{\mathrm{th}}=\frac{8^{\mathrm{th}}}{2}=4^{\text {th }}\) Observation are \(2,3,4,6,7,9,11\)…