Question

A sample of 245 high school students from grades 9-10 and 11-12 were asked to choose the kind of band to have play at a school dance

Answer 1

Let's break down this question. How many students were in each grade? In grades 9-10, there were 122 students, and in grades 11-12, there were 123 students. What kind of bands were the students asked to choose from? Were they given a list of bands to choose from, or were they simply asked to suggest a band they would like to see?