Question

Given the frequency table, what percentage of the students in grades 9–10 like country music? Round to the nearest whole percent.

Band Preference for School Dance
Rap Rock Country Row totals
Grades 9–10 40 30 55 125
Grades 11–12 60 25 35 120
Column totals 100 55 90 245
a. 22%
b.44%
c.55%
d.61%

Answer 1

b: 44%

Explanation:

From grades 9-10 there are 55 students who like country music.

While there are 125 grades 9-10 students in total.

This gives us a percentage of (55/125) *100% = 44%

Answer 2

b.44%

Explanation:

44% of the students in grades 9–10 like country music.

Round to the nearest whole percent.

(55/125)

100% = 44%