Welcome to cbsenotes.com! To post messages or access any member only section, you will need an account. Create your free account now.
Already a member ? Click here to login
CBSE Notes 2011-2012

Mean of n numbers x1, x2,...xn is m.if xn is replay by x, then new mean is

Multiple choice question

Mean of n numbers x1, x2,...xn is m.if xn is replay by x, then new mean is

unknown

m - xn + x

unknown

nm-xn+x/n

unknown

(n-1)m+x/n

unknown

m-xn+x/n