In examining data collected over the past ten years, researchers at Sea World find that of 1,000 first-time guests: 452 visited during the summer months; 231 visited during the fall; 104 visited during the winter; and 213 visited during the spring. What is the relative frequency for guests who visited during the spring?
A) .45
B) .23
C) .21
D) .10

Question

Quizplus · Accepted Answer

The relative frequency for a particular category is calculated by dividing the number of times that category appears by the total number of times all categories appear. In this case, the total number of guests is 1,000. The number of guests who visited during the spring is 213. Therefore, the relative frequency for guests who visited during the spring is 213/1000 = 0.213, which rounded to two decimal places is 0.21. So, the best choice is C.

In Examining Data Collected Over the Past Ten Years, Researchers