Quiz

Which technique (sampling, experiment, simulation, or census) for gathering data do you think was used in the following studies?

A.  A study of 7500 women was done to see if the average American woman spent more than 45 minutes a day getting ready in the morning.

B.  A study of all 107 community colleges showed that the average community college spent $24,000 on energy bills last year.

C.  A study to determine whether colder water is better for the growth of corn included 300 corn stalks that were watered with cold water and 300 that were watered with water that was not cold.