Mathematics Multiple Choice Questions on “Geographical Representation of Data”.
1. From the table give below, how many students weigh equal to or more than 55kg?
| Weight(kg) | Students |
|---|---|
| 40-45 | 4 |
| 45-50 | 12 |
| 50-55 | 3 |
| 55-60 | 2 |
| 60-65 | 3 |
| 65-70 | 1 |
| Total | 25 |
a) 2
b) 3
c) 20
d) 6
Answer: d
Clarification: From the table, we can see that there are three class intervals which contains weight more than 55 kg, 55-60, 60-65 and 65-70 and frequency of them are 2, 3 and 1 respectively.
Therefore, total number of students who weigh more than 55 kg are 2 + 3 + 1 = 6.