Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graphical representation of two variables where each point represents an observation in the dataset, showing the relationship between the variables.

Front

What does the x-axis typically represent in a scatter plot?

Back

The x-axis typically represents the independent variable, which is the variable that is manipulated or controlled.

Front

What does the y-axis typically represent in a scatter plot?

Back

The y-axis typically represents the dependent variable, which is the variable that is measured or observed.

Front

What does a positive correlation in a scatter plot indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also tends to increase.

Front

What does a negative correlation in a scatter plot indicate?

Back

A negative correlation indicates that as one variable increases, the other variable tends to decrease.

Front

What does it mean if a scatter plot shows no correlation?

Back

No correlation means that there is no discernible relationship between the two variables; changes in one variable do not predict changes in the other.

Front

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

Back

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

Front

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

Back

The line of best fit summarizes the relationship between the variables and can be used to make predictions.

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that lies significantly outside the range of the other data points, which can affect the overall analysis.

Front

How can scatter plots be used in real-world applications?

Back

Scatter plots can be used in various fields such as economics, biology, and social sciences to analyze relationships between variables and make predictions.