Question

find mean deviation about mean for the observation...

39,72,48,41,43,55,60,45,54,43.​

Answer 1

Answer:

Step-by-step explanation:

Mean=sum of observation/ number of observation

=39+72+48+41+43+55+60+45+54+43.​/10

=500/10=50.

Mean deviation about mean=11+22+2+9+7+5+10+4+7/10

=82/10=8.2.

Hope it helps you.. ..

Have a great day.. ..

Thanks

Answer 2

Answer:

8.2 is the answer.. .. .