CAST S UDL LESSON BUILDER

Name______Date______

Scatter Plots/Correlation/Trend Lines

Go to Portaportal (http://guest.portaportal.com/afasano) -> Data Analysis & Statistics -> Scatter Plot sites (tagged with ) Activity 1:

Define:

Scatter plot:______

Correlation: ______

Trend line or line of best fit: ______

On each graph below, draw and label the 3 types of positive correlation graphs (perfect, strong/high, low/weak), the 3 types of negative correlation graphs (perfect, strong/high, low/weak), and a graph with no correlation: Activity 2:

Choose one (1) scenario/set of data statistics. Create a scatter plot of the data by using one (1) of the following methods and then analyze and interpret your graph to answer the questions given on the sheet:

Grid paper

SMARTBoard Notebook software

Illuminations: Line of Best Fit Tool

Shodor Interactivate Scatter Plot

Microsoft EXCEL

Note:  Your scatter plot must have a title, labels for the x and y axis, and appropriate numbers/intervals for the x and y axis

 You must print a copy of your scatter plot if you use an online tool to create it