Answer:
Option A, The population is all teenagers, and the sample is the teenagers in Sandra's daughter's class.
Step-by-step explanation:
Step 1: Â Determine which option
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." Â The bold part states that she wants to know the popularity of certain colors among TEENAGERS. Â So, the population is the teenagers. Â On the other hand, the sample is Sandra's daughter's class. Â Because Sandra went to sample those specific students.
Answer: Â Option A, The population is all teenagers, and the sample is the teenagers in Sandra's daughter's class.