Question

more experimental design practice

mosquito repellent is sprayed on one arm and the other arm is not sprayed. the number of mosquito bites is counted after 2 hours..

the independent variable is

the dependent variable is

Explanation:

The independent variable is the factor manipulated in an experiment. Here, it is whether mosquito repellent is sprayed. The dependent variable is the outcome measured, which is the number of mosquito bites.

Answer:

The independent variable is: Application of mosquito repellent (sprayed or not)
The dependent variable is: Number of mosquito bites after 2 hours