Sandra is selling her new line of all natural make-up products and wants to know the popularity of certain colors among teenagers. She hands out a survey to all of the students in her teenage daughter's class and asks them to identify their favorite make up colors. Which is the population and which is the sample in this scenario?

A) The population is all teenagers, and the sample is the teenagers in Sandra's daughter's class.
B) The population is all 9th graders in the class, and the sample is the teenagers in Sandra's daughter's class.
C) The sample is all teenagers, and the population is the teenagers in Sandra's daughter's class.
D) The population is all teenagers at the school, and the sample is the teenagers in Sandra's daughter's class.

In this sentence, "Sandra is selling her new line of all natural make-up products and wants to know the popularity of certain colors among teenagers." The bold part states that she wants to know the popularity of certain colors among TEENAGERS. So, the population is the teenagers. On the other hand, the sample is Sandra's daughter's class. Because Sandra went to sample those specific students.

Answer: Option A, The population is all teenagers, and the sample is the teenagers in Sandra's daughter's class.