Module 6: Correlation and Experimentation

Which correlation coefficient shows the WEAKEST correlation?

• -0.13

• -0.87

• 0.54

• 0.89

This scatterplot shows

• a negative correlation

• a positive correlation

• no correlation

• pizza

The less you study the lower your test scores. This shows a ____________ correlation.

• positive

• negative

The more education you have the less likely you are to end up in prison. This shows a __________ correlation.

• negative

• positive

Which shows correlation coefficient shows the strongest correlation?

• -1.24

• 1.37

• 0.75

• -0.22

In an experiment, this is the group that receives the treatment.

• experimental group

• control group

In an experiment, this is the group that does NOT receive the treatment.

• experimental group

• control group

This is the experimental factor that is being manipulated, the variable being studied.

• independent variable

• dependent variable

This is the outcome factor that is being measured in an experiment

• independent variable

• dependent variable

Determining if a subject is put in the control or experimental group is called

• random assignment

• random sample