True or False: the Professor of a Business Statistics Class

True/False

True or False: The professor of a business statistics class wanted to find out the mean amount of
time per week her students spent studying for the class.She divided the students into the left,
right and center groups according to the location they sat in the class that day.One of these 3
groups was randomly selected and everyone in the group was asked the mean amount of time per
week he/she spent studying for the class.This is an example of a cluster sample.