Ohio Learning Standards
OH.8.SP. STATISTICS AND PROBABILITY
Investigate patterns of association in bivariate data.
8.SP.2. Understand that straight lines are widely used to model relationships between two quantitative variables. For scatter plots that suggest a linear association, informally fit a straight line, and informally assess the model fit by judging the closeness of the data points to the line. (GAISE Model, steps 3 and 4)