Question

question 10 of 10 people who drink coffee are more likely to develop cancer. for this statement, which could be a hidden variable? check all that apply. a. which people were selected for the sample b. age c. cars driven by people who drink coffee d. the amount of coffee consumed

Explanation:

A hidden variable is one that can affect the relationship between the variables being studied. The sample selection can impact results (A). Age can influence cancer - risk and coffee - drinking habits (B). The amount of coffee consumed can also affect cancer risk (D). Cars driven have no relation to the coffee - cancer link.

Answer:

A. Which people were selected for the sample
B. Age
D. The amount of coffee consumed