Texas Gateway: Interpreting Scatterplots

Given a graph, the student will analyze, interpret, and communicate the mathematical relationship represented and its characteristics.

This lesson explains how to interpret the slope and the y-intercept for a scatter plot. Includes downloadable study guide with exercises - guide also covers other topics. [7:39]

This lesson demonstrates how to interpret a confidence interval once you have calculated it. Includes downloadable study guide with exercises - guide also covers other topics. [9:56]

Given a scatterplot where a linear function is the best fit, the student will interpret the slope and intercepts, determine an equation using two data points, identify the conditions under which the function is valid, and use the linear...

Given verbal, symbolic, numerical, or graphical representations of problem situations, the student will interpret and predict the effects of changing the slope in the context of the situations.

Given verbal, symbolic, numerical, or graphical representations of problem situations, the student will interpret and predict the effects of changing the y-intercept in the context of the situations.

Given data in the form of an equation, the student will use the equation to interpret solutions to problems.

This lesson models how to construct and interpret a confidence interval in a problem about teens' use of Snapchat. Includes downloadable study guide with exercises - guide also covers other topics. [10:31]

This lesson explains how to calculate and interpret the confidence interval for a population mean. It also looks at the effect on the confidence interval of changing the confidence level or sample size. It then explains how to find the...

Given algebraic, tabular, and graphical representations of linear functions, the student will determine the intercepts of the function and interpret the meaning of intercepts within the context of the situation.