Question

Find the AM for the following items:
x: 1 2 3 4 5
f: 4 6 8 9 31​

Answer 1

Step-by-step explanation:

1×4=4

2×6=12

3×8=24

4×9=36

5×31=155

4+12+24+36+155=231

4+6+8+9+31=58

AM=231/58

=3.9 (approx)