Scatter Plots Flashcard

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 positive correlation indicate in a scatter plot?

Back

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

Front

What does a negative correlation indicate in a scatter plot?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

Front

What does 'no correlation' mean in a scatter plot?

Back

No correlation means that there is no apparent relationship between the two variables being plotted.

Front

What is a trend line in a scatter plot?

Back

A trend line is a straight line that best represents the data points in a scatter plot, showing the general direction of the data.

Front

How can you use a trend line to make predictions?

Back

You can use a trend line to estimate the value of one variable based on the value of another variable.

Front

What is the purpose of analyzing scatter plots?

Back

The purpose is to identify relationships, trends, and patterns between two sets of data.

Front

What does it mean if a scatter plot has a nonlinear association?

Back

A nonlinear association means that the relationship between the variables does not follow a straight line.

Front

What is an example of a positive correlation in real life?

Back

An example is the relationship between study time and test scores; generally, more study time leads to higher scores.

Front

What is an example of a negative correlation in real life?

Back

An example is the relationship between the amount of exercise and body weight; generally, more exercise leads to lower body weight.