Scatter Plots

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Front

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

Back

It represents the trend of the data points, showing the overall direction of the relationship.

Front

What is correlation in the context of scatter plots?

Back

Correlation describes the strength and direction of a relationship between two variables.

Front

What are the types of correlation?

Back

Positive correlation, negative correlation, and no correlation.

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Front

What does a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Front

What does no correlation mean?

Back

There is no discernible relationship between the two variables.

Front

What is the y-intercept in a line of best fit?

Back

The point where the line crosses the y-axis, indicating the value of y when x is zero.

Front

How do you determine the slope of a line in a scatter plot?

Back

The slope is calculated as the change in y divided by the change in x (rise over run).

Front

What is a reasonable slope for a graph?

Back

A slope that accurately represents the relationship between the two variables, such as 1/10 or -1/2.