enVision Topic 4 Bivariate Data

Front

What is a line of best fit used for?

Back

To make predictions.

Front

What is a scatter plot?

Back

A diagram that uses coordinates to display values for two variables for a set of data.

Front

What does a trend line in a scatter plot help you do?

Back

It helps you make predictions based on the relationship between the two variables.

Front

How do you interpret the slope of a line of best fit?

Back

The slope indicates the rate of change between the two variables.

Front

What is bivariate data?

Back

Data that involves two different variables.

Front

What is the purpose of using a scatter plot?

Back

To visually represent the relationship between two variables.

Front

What does it mean if the points in a scatter plot form a positive correlation?

Back

As one variable increases, the other variable also increases.

Front

What does it mean if the points in a scatter plot form a negative correlation?

Back

As one variable increases, the other variable decreases.

Front

What is the y-intercept in a linear equation?

Back

The value of y when x is 0.

Front

How can you predict a value using a line of best fit?

Back

By finding the corresponding y value for a given x value on the trend line.