Question

Please help me! I will Medal!

Which of the following numbers is closest to the mean of this distribution? (PICTURE INCLUDED)

Answer 1

Please help guys! D:

Answer 2

x freq cum freq FREQ(y/total obs 20) x*FREQ
1 1 1 0.05 0.05
2 4 5 0.2 0.4
3 5 10 0.25 0.75
4 4 14 0.2 0.8
5 2 16 0.1 0.5
6 1 17 0.05 0.3
7 1 18 0.05 0.35
8 1 19 0.05 0.4
9 1 20 0.05 0.45
4 mean

Answer 3

i thinkm so
not 100% sure

Answer 4

I passed that question so I cannot confirm. But I'll give you a medal anyway for trying.