# If Xt goes to zero as t goes to infinite,(1/T)sum (Xt) also goes to zero ? (average o

1. Mar 26, 2008

### CHatUPenn

How to prove
If Xt goes to zero as t goes to infinite,
(1/T)sum (Xt) also goes to zero ? (average of Xt)

Many thanks

2. Mar 26, 2008

### HallsofIvy

Staff Emeritus
What is "T"?

3. Mar 26, 2008

### CHatUPenn

T is number of terms of the summation