Question

find the mean of the given data
x = 10, 20, 30, 40, 50, 60, 70
f = 3, 4, 3, 2, 4, 6, 6

Answer 1

Answer:

40

Step-by-step explanation:

Answer 2

Mean = 10+20+30+40+50+60+70/7

=. 280/7

=. 40.

Mean = 3+4+3+2+4+6+6/7

= 28/7= 4.

please follow it.