Question

brand y cola sponsors a survey of 15,550 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 sample used in the survey?

• the residents of texas
• the 15,550 residents
• the 40 percent who prefer brand x cola
• the 60 percent who prefer brand y cola

Explanation:

In statistics (a subfield of Mathematics), a sample is the group of individuals actually surveyed. Here, the survey was done on 15,550 residents, so they are the sample. The residents of Texas would be the population, and the 40%/60% are results from the sample.

Answer:

B. the 15,550 residents