If M = (x1+x2+ x15) / 15, then find the value of (x1- M) / - Maths - Statistics

Question

If M = (x1+x2+ x15) / 15, then
find the value of (x1- M) / 15 + (x2- M) /15
+ (x3- M) /15 + (x15- M) /15

Rajat Sethi · Accepted Answer

M=x1+x2+ +x1515Now,x1-M15+x2-M15+x3-M15+ +x15-M15=x115+x215+x315+
+x1515-15M15=x1+x2+ +x1515-M=M-M=0

If M = (x1+x2+.....x15) / 15, then find the value of (x1- M) / 15 + (x2- M) /15 + (x3- M) /15 +..... (x15- M) /15