Practice Problems
(Exit ticket in Schoology)
Describe how to find the desired sample using a stratified random sample and a cluster random
sampling.
1. A student organization wants to assess the attitudes of students toward a proposed
change in the hours the library is open. There are 80 members of the senior class, 100
juniors, 120 sophomores, and 135 freshmen. Also, the school has 25 homerooms that
students belong to which all have all high school grades represented within them.