Direction: Study the table and answer the questions
-
Average height (in cm) of the girls whose heights are 155cm and above is about
-
- 158.7
- 159.8
- 160.4
- 162.6
Correct Option: B
On the basis of given table in question ,
Class interval (155 – 160) = 6 girls
| Mid-value = | = 157.5 | 2 |
Class interval (160 – 165) = 5 girls
| Mid-value = | = 162.5 | 2 |
| ∴ Required average = | 11 |
| Required average = | = | = 159.8 cm | 3 | 3 |
