The following relative frequency histogram presents the average temperatures, in °F, for each of the 50 states of the United States, plus the District of Columbia.

Use the histogram to answer the following questions.

a. In which interval are the largest number of states?

b. Is the percentage of states with average temperatures above 60° closest to 30%, 40%, or 50%?

c. In which interval are there more states, 55–60 or 60–70?

Relative Frequency 0.35- 0.30- 0.25 0.20- 0.15 0.10- 0.05- 0 35 40 45 50 55 60 65 70 75 80 Average Temperature