Question

Find arithmetic mean:20 30 35 40 42 74 63 58

Answer 1

Explanation:

mean= sum of all observations/ no.of obzervations

= 20+30+35+40+42+74+63+58/ 8

=362/ 8

= 45.25

Answer 2

Answer:

45 . 25

Explanation:

Mean :

= 20 +30 +35+ 40 +42 +74 +63 +58 /8

= 362/8

= 45.25

HOPE IT'S HELPFUL