Question

The class president wants to survey the students at the high school about the selection of food offered by the school cafeteria. The president knows that there are 150 boys and 175 girls in the high school. Which of the following is a representative sample of the high school population?

A
Sample 1: 10 boys and 10 girls

B
Sample 2: 10 boys and 35 girls

C
Sample 3: 6 boys and 7 girls

D
Sample 4: 7 boys and 6 girls

Answer 1

C . Sample : 6 boy and 7 girls

Explanation:

Data :

Boys = 150

Girls = 175

So ratio between boys and girls

175/150 = 1.67

So when boy is 6

6 ×1.667 = 7