If average of 20 observations x1, x2, ....., x20 is y, then the average of x1 101, x2 101, x3 101, ....., x20 101 is

If average of 20 observations x1, x2, ....., x20 is y, then the averag

1.	If average of 20 observations x1, x2, ....., x20 is y, then the average of x1 101, x2 101, x3 101, ....., x20 101 is
A.	y 20
B.	y 101
C.	20y
D.	101y
Answer» C. 20y

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