JAMB - Economics (2018 - No. 64)
| X | 2 | 3 | 4 | 5 |
| F | 2 | 5 | 2 | 1 |
From the table, the mean of the distribution is___________
2.2
2.5
3.2
4.5
คำอธิบาย
Mean= ∑fx/∑f
=(4+15+8+5)/(2+5+2+1)
=32/10
=3.2
| X | 2 | 3 | 4 | 5 |
| F | 2 | 5 | 2 | 1 |
From the table, the mean of the distribution is___________
Mean= ∑fx/∑f
=(4+15+8+5)/(2+5+2+1)
=32/10
=3.2