Scatter Plots

Front

What is a positive correlation?

Back

A positive correlation is when one set of data increases and the other set of data also increases.

Front

What does a scatter plot with a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Front

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

Back

The line of best fit is a straight line that best represents the data on a scatter plot, showing the trend of the data.

Front

What does it mean if there is no correlation in a scatter plot?

Back

No correlation means that there is no apparent relationship between the two sets of data.

Front

How do you interpret a scatter plot?

Back

You look for patterns, trends, and relationships between the two variables represented.

Front

What is the equation of a line of best fit?

Back

The equation of a line of best fit is typically in the form y = mx + b, where m is the slope and b is the y-intercept.

Front

What does the slope of a line in a scatter plot represent?

Back

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

Front

What is an example of a positive correlation?

Back

As the temperature increases, the number of ice cream sales increases.

Front

What is an example of a negative correlation?

Back

As the amount of rainfall increases, the number of people visiting the beach decreases.

Front

What is the purpose of a scatter plot?

Back

A scatter plot is used to determine the relationship between two quantitative variables.