An botanist was testing fertilizers on 149 string bean plants. The researcher used random assignment to create three groups, two with fertilizers (Grow Fast and Super Plant) and one control group (None). After 60 days, the height of each plant was measured. a. What is response and what is the factor

Factor: type of fertilizer

Response: height of string bean plants

Explanation:

In an experiment, a factor is a controlled independent variable usually set as a different treatments. Different treatments constitute different levels of a factor. In this case, Grow Fast, Super Plant, and no fertilizer are the treatments of the factor "type of fertilizer".

The response is the dependent variable for which observations are made in order to compare the different results between treatments. In this case, the response is the height of string bean plants.