Question

10 and the mean deviation about mean for xis
B.
=
12, then the mean deviation of y about mean is
(a) 7.20
(b) 6.80
(c) 20
(d) 18.80.​

Answer 1

Answer:

y=a+bx

y=3/5x+10/5

=|b|*12

=3/5* 12

=36/5

=7.20