13. If x represents the mean of n observations x1, x2, …, xn, then value of ... 13. If x represents the mean of n observations x1 then value of x+2 xn July 3, 2021 Category: Chapter 14 - Statistics , Chapter 15 - Probability , Maths , NCERT Class 9 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related
