Question

Brand Y Cola sponsors a survey of 15,559 residents of Texas to determine which brand of cola they prefer. Forty percent say they prefer Brand X, and 60 percent say they prefer Brand Y. Which of the following is the population sample?
a. the residents of Texas
b.the 15,559 residents
c.the 40 percent who prefer Brand X Cola
d.the 60 percent who prefer Brand Y Cola

Answer 1

Your answer will be (B. the 15,559 residents) 
the population sample is the whole group all together. 

Answer 2

"Brand Y Cola sponsors a survey of 15,559 residents of Texas to determine which brand of cola they prefer."

Look at the bold part of the sentence above.

The sample taken is those specific 15,559 residents that are from Texas, NOT the whole population of Texas, just some sample.

So, that specific 15,559 residents are the sample. Answer choice B is correct.

ANSWER: B