SOL Prep

Statistics

Virginia SOL A2.ST.2

Apply the data cycle with a focus on representing bivariate data in scatterplots and determining the curve of best fit.

Study A2.ST.2 with SOL PrepBack to Algebra 2

What students need to be able to do

  • Formulate investigative questions requiring the collection or acquisition of bivariate data.
  • Collect or acquire bivariate data through research, surveys, observations, experiments, polls, or questionnaires.
  • Represent bivariate data with a scatterplot using technology.
  • Determine whether the relationship between two quantitative variables is best approximated by a linear, quadratic, exponential, or combination of these functions.
  • Determine the equation(s) of the function(s) that best models the relationship between two variables using technology.
  • Use the correlation coefficient to designate the goodness of fit of a linear function.
  • Make predictions, decisions, and critical judgments using data, scatterplots, or the equation(s) of the mathematical model.
  • Evaluate the reasonableness of a mathematical model of a contextual situation.