ചതുരംശ വ്യതിയാനം കണ്ടെത്തുക :x150200190210230180f5581057 A20B15C10D25Answer: B. 15 Read Explanation: xfcf15055180712190820200525210103523054040N= 40$Q_1 = (\frac{N+1}{4})^{th} value = 10.25^{th} value$$Q_1 = 180$$Q_3 = 3 \times (\frac{N+1}{4})^{th} value = 30.75^{th} value$$Q_3 = 210$$QD = \frac{Q_3 - Q_1}{2}$$QD = \frac{210 -180}{2} = 15$ Read more in App