Scatter Plots and Predictions

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional grid.

Tags

CCSS.8.SP.A.1

Front

What is an outlier in a scatter plot?

Back

An outlier is a point that is far outside the main cluster of points/ordered pairs in a scatter plot.

Front

How can you use a scatter plot to make predictions?

Back

You can use the trend line in a scatter plot to estimate values for one variable based on the values of another variable.

Front

What does the line of best fit represent in a scatter plot?

Back

The line of best fit represents the trend in the data, showing the general direction that the data points follow.

Tags

CCSS.8.SP.A.2

Front

What is the equation of a line in slope-intercept form?

Back

The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

If a player attempts 60 free throws and is expected to make 35, what is the success rate?

Back

The success rate is approximately 58.3% (35 made out of 60 attempts).

Tags

CCSS.HSF-LE.A.1B

Front

How do you identify the slope of a line from a scatter plot?

Back

The slope of a line can be identified by calculating the change in y over the change in x (rise over run) between two points on the line.

Tags

CCSS.8.EE.B.6

Front

What does a positive slope indicate in a scatter plot?

Back

A positive slope indicates that as one variable increases, the other variable also increases.

Tags

CCSS.8.EE.B.5

Front

What does a negative slope indicate in a scatter plot?

Back

A negative slope indicates that as one variable increases, the other variable decreases.

Tags

CCSS.8.EE.B.5

Front

How can you determine the number of chapters in a book with 180 pages using a scatter plot?

Back

You can use the trend line to estimate the number of chapters corresponding to 180 pages.