Search for: The mean deviation from mean of the observations a,a+d,a+2d,…,a+2nd is The mean deviation from mean of the observations a,a+d,a+2d,…,a+2nd is An(n+1)d23Bn(n+1)2d2Ca+n(n+1)d22DNone of these Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:x¯=12n+1[a+(a+d)+…+(a+2nd)]=12n+1[(2n+1)a+d(1+2+…+2n)]=a+d2n2(2n+1)2n+1=a+nd∴MD from mean =12n+1Σxi−x¯=12n+12|d|(1+2+…+n)=n(n+1)|d|(2n+1) Related content CBSE Class 11 English Core Writing and Grammar – Tenses Worksheet Top 10 Maths Project for Class 6 Class 10 Maths MCQs How to Download NTA NEET Admit Card 2024 Rashi And Nakshatra Quiz CBSE MCQ for Class 10 Science Genes – Definition, Structure, Diagram and its Types Octal to Binary Converter Km to cm Conversion mm to km Conversion