Question

1. According to a recent poll, 4,060 out of 14,500 people in the United States were clas-sified as obese based on their body mass index. What’s the relative frequency of obe-sity according to this poll?

Answer 1

The relative frequency of obesity is the ratio between obese people in the sample and total people in the sample:

$\frac{4060}{14500}=0.28$

The relative frequency is 0.28