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JEE Mains · Maths · STD 11 - 13. statistics

જો \(50\) અવલોકનોનું  \(30\) થી વિચલનનો સરવાળો \(50\) હોય તો આ માહિતીનો મધ્યક \(= \)

  1. A \(30\)
  2. B \(51\)
  3. C \(50\)
  4. D \(31\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(31\)

Step-by-step Solution

Detailed explanation

Given \(\sum\limits_{i = 1}^{50} {\left( {{x_i} - 30} \right)} = 50\) \( \Rightarrow \sum {{x_i} = 30\left( {50} \right) + 50 \Rightarrow \frac{{\sum {{x_i}} }}{{50}}} = 31\)
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