Scatterplots!

Front

What is a scatter plot?

Back

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

Front

What does a trend line in a scatter plot represent?

Back

A trend line in a scatter plot represents the general direction or pattern of the data points, indicating whether there is a positive, negative, or no correlation between the variables.

Front

What is a positive linear relationship in a scatter plot?

Back

A positive linear relationship occurs when, as one variable increases, the other variable also increases, resulting in an upward sloping trend line.

Front

What is a negative linear relationship in a scatter plot?

Back

A negative linear relationship occurs when, as one variable increases, the other variable decreases, resulting in a downward sloping trend line.

Front

What does it mean if there is no correlation in a scatter plot?

Back

No correlation means that there is no discernible pattern or relationship between the two variables, and the data points are scattered randomly.

Front

How can you identify a trend line in a scatter plot?

Back

A trend line can be identified as a straight line that best fits the data points, showing the overall direction of the data.

Front

What is the purpose of using scatter plots?

Back

Scatter plots are used to visually display and analyze the relationship between two quantitative variables.

Front

What does it mean if a trend line is correctly placed?

Back

A correctly placed trend line accurately represents the overall direction and pattern of the data points in the scatter plot.

Front

What is an example of a variable that might not affect another variable?

Back

A student's shoe size may not affect their math score, indicating no correlation between the two.

Front

How can temperature affect beach visitors according to a scatter plot?

Back

As the daily temperature increases, the number of beach visitors typically increases, indicating a positive correlation.