A high school administration wants to collect data onthe amount of time the students use computers. Thereare 1200 students in the school, and they have beenassigned to 40 different homerooms, 10 homeroomsper grade 9–12, with 30 students in each homeroom.The administration wants a sample of 120 students.a) Describe a method to select a simple random sampleof students.b) Describe a method to select students using a stratifiedsample.c) Describe a method to select students using a clustersample.d) Describe any advantages or disadvantages in usingthe stratified or the cluster sampling method here.

A high school administration wants to collect data on
the amount of time the students use computers. There
are 1200 students in the school, and they have been
assigned to 40 different homerooms, 10 homerooms
per grade 9–12, with 30 students in each homeroom.
The administration wants a sample of 120 students.
a) Describe a method to select a simple random sample
of students.
b) Describe a method to select students using a stratified
sample.
c) Describe a method to select students using a cluster
sample.
d) Describe any advantages or disadvantages in using
the stratified or the cluster sampling method here.