Drag each tile to the correct location on the table. Determine whether the selection process for each sample was random or nonrandom.
In PE class, teams are chosen by
putting each student's name on a
piece of paper in a bag and drawing
names.
To test the soil in a geographical
region, five soil samples are taken
from the largest farm in the region.
For a medical study, doctors make a
list of patients. The first 10 patients
on the list are assigned to the control
group.
A grocery store has a box for customer
feedback forms. Once a week, a
feedback form is drawn to give a
customer a gift voucher.
To learn more about the preferences
of its customers, a clothing store
surveys customers who use their
store-branded credit card.
Random
Nonrandom