Correct Answer - Option 4 : 3
Given:
5 families have 1 child
7 families have 2 children
8 families have 3 children
3 families have 4 children
Formula used:
The number which appears most often in a set of numbers is called mode
Calculation
⇒ 5 Families have 1 children = 5 × 1 = 5
⇒ 7 Families have 2 children = 7 × 2 = 14
⇒ 8 Families have 3 children = 8 × 3 = 24
⇒ 3 Families have 4 children = 3 × 4 = 12
∴ Frequency of 3 is more so mode is 3