Question

If x be the mean of x1, x2, x3,...... xn and y the mean of y1, y2,y3.....yn, find the mean of x1, x2,......xn,y1, y2,......yn

Answer 1

Hey

according to the given question

X=( X1 +X2 +X3 +.......Xn)/n. ....1

and

Y=(Y1 + Y2+Y3 +.........Yn)/n. .....2

we have to find

(X1+X2+X3+.....Xn+Y1+Y2+Y3.....+Yn)/2n

from 1 and 2

(nX+nY)/2n

=(X+Y)/2



thanks

Answer 2

Answer:

(X+Y)2

Step-by-step explanation:

X=( X1 +X2 +X3 +.......Xn)/n. ....1

and

Y=(Y1 + Y2+Y3 +.........Yn)/n. .....2

we have to find

(X1+X2+X3+.....Xn+Y1+Y2+Y3.....+Yn)/2n

from 1 and 2

(nX+nY)/2n

=(X+Y)/2

THANKS

Please mark me as BRAINLIST