Question

plz tell me the answer...​

Answer 1

Answer:

Mean = X1+X2+.........Xn / n

102 = X1 + X2 +......Xn /n ........... 1

Now,

5X1 + 5X2 +.........5Xn / n

5( X1 + X2 +..........Xn /n)

From equation 1

= 5(102)

= 510

option D is right