Using the research study excerpt below, answer each of the following items (8 - 10) with the best possible answer.

Suppose I want to know which type of cola American adults like better, Sprite or 7Up. Sprite is a little bubblier; 7Up is a little sweeter. I set up a table on the UA campus on Game Day, with 300 sample cups. I fill 150 with Sprite and 150 with 7Up. I give a sample of both sodas to the first150 people, 18 years or older, that stop at my table and ask them to indicate which soda they like best. Participants do not know which cup contains which type of soda. I find that 100 chose 7Up and 50 chose Sprite as the better tasting soda.

1) What is the sample size of this study?

A. 2 sodas

B. 18 years

C. 150 cups

D. 150 adults

2)How was the sample described?

A. A Little Bubblier

B. A little Sweeter

C. Adults, 18 years or older

D. UA Campus on Game Day

3) What type of sampling was used in this study?

A.cluster

B.random

C.stratified

D.convenience