To determine whether or not grade level influences time spent studying, Samuel has designed a survey. What is the response variable? a. grade level

b. time spent studying

c. the number of people surveyed

d. none of the above

Option B) time spent studying

Step-by-step explanation:

We are given the following in the question:

Survey:

To determine whether or not grade level influences time spent studying

We have to determine the response variable.

Response Variable:

It is also know as the dependent variable. These are the variable that depends on the independent variable. Their values changes with change in the independent variable.

For the given survey:

Response variable:

Time spent studying

Independent variable:

Grade level