Scatter Plots

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 it mean if points on a scatter plot trend upwards?

Back

If points on a scatter plot trend upwards, it indicates a positive correlation, meaning that as one variable increases, the other variable also tends to increase.

Front

What does it mean if points on a scatter plot trend downwards?

Back

If points on a scatter plot trend downwards, it indicates a negative correlation, meaning that as one variable increases, the other variable tends to decrease.

Front

What does it mean if points on a scatter plot are scattered randomly?

Back

If points on a scatter plot are scattered randomly, it suggests that there is no correlation between the two variables.

Front

How can you predict values using a scatter plot?

Back

You can predict values by drawing a line of best fit through the data points and using it to estimate the value of one variable based on the other.

Front

What is the purpose of a line of best fit in a scatter plot?

Back

The line of best fit summarizes the trend of the data points and helps in making predictions about future data.

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that is significantly different from the other points in the scatter plot, which can affect the overall trend.

Front

How do you determine the strength of a correlation in a scatter plot?

Back

The strength of a correlation can be determined by how closely the data points cluster around the line of best fit; closer clustering indicates a stronger correlation.

Front

What is the x-axis in a scatter plot?

Back

The x-axis is the horizontal axis in a scatter plot, typically representing the independent variable.

Front

What is the y-axis in a scatter plot?

Back

The y-axis is the vertical axis in a scatter plot, typically representing the dependent variable.