1. positive Correlation
negative Correlation
no Correlation

2. Steps for Scatterplots
Plot the points.
*Do NOT connect the points.
2. “Eyeball” a Line of Best Fit.
*Does not have to go through any points.
*Use endpoints that are identifiable.
3. Find the equation of the line.
*Look for the slope and y-intercept (y=mx+b) OR
use the slope and a point [(y-y1)=m(x-x1)]
4. Use the equation to make predictions.

4. Education and income
Number of pets a person has and number of books a person has read
Number of days absent from school vs. math average
Test scores vs. shoe sizes
Distance traveled vs. amount of gas in the car
Hours of studying vs. grades
Hours in the mall vs. amount of money spent
Weight on a skateboard vs. speed of the skateboard
A person’s height and a person’s age
How tall a person is and how fast they drive
Temperature and number of people wearing jackets