This resource includes six half pages
of notes that are perfect for interactive notebooks. The first three pages introduce students to positive, negative and no correlation scatter plots. Students are asked to describe real world situations that might exist for each type of correlation. Students will graph three different sets of data in order to visualize the different types of scatterplots. Definitions for the line of best fit and correlation coefficient are provided. Each one of the half pages asks students to describe the relationship that exists between the two variables. Additional pages of notes focus on the strength of the correlation coefficient, writing an equation for the line of best fit and linear vs. non linear scatterplots.
In addition to the notes, students can explore scatterplots with a two page worksheet.
Students are asked to define scatterplots in their own words. Nine questions ask students to identify the type of correlation (positive, negative or no correlation) that exists between two variables. Students are also asked to describe the steps used to write an equation for the line of best fit. Six additional questions require students to calculate the slope and determine the y-intercept in order to write the equation for the line of best fit.
An additional matching activity
allows students to examine eight scatter plots. With each scatter plot, they will do the following:
→ Identify if the scatter plot shows a positive or negative correlation
→ Calculate the slope and determine the y-intercept
→ Write the line of best fit equation
→ Match a scatter plot, slope & intercept, line of best fit equation and possible coordinate pair
Students are asked to think of two variables that might work for one of the scatter plots. There is space for students to describe their level of understanding with scatter plots. This activity can be completed in one class period.
Each of the resources listed above is also available for individual purchase.
Scatter Plot Guided Notes
Scatter Plot Worksheet
Scatter Plot Matching Activity
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