- Describe the difference between correlation and regression.

II- What does each statistical analysis describe regarding the relationship between two variables?

1- for correlation:

2- for regression:

III- Select two or three public health issues with which you are familiar in which there seems to be a strong association between a variable and an outcome.

1- Should you use correlation, regression, or both to determine whether there is a strong association/relationship?

2- If the correlation and/or regression analysis shows a close relationship between two variables, does that mean there is a causal relationship between them? Why or why not?

3- After you determine the strength of an association, how confidently can you extrapolate the data to make predictions about outcomes based on additional values of the same variable?

4- Time permitting, conduct Internet research about similar real-life studies to support your conclusions.