Determine the relative frequency of the percent of 7th graders who prefer mountains. Round the percentage to the nearest tenth.
students| seacoast| mountains| totals
7th grade| 70 | 40 | 110
8th grade| 90 | 110 | 200
totals| 160 | 150 | 310
1.40%
2.55%
3.36.4%
4.26.7%
1. 36.4%
To determine the relative frequency of 7th graders who prefer mountains, divide the number of 7th graders who prefer mountains by the total number of 7th graders:
40 / 110 = 0.3636
Rounding to the nearest tenth, the relative frequency is 36.4%.