Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Tags

CCSS.8.SP.A.1

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 tends to increase.

Tags

CCSS.HSS.ID.B.5

Front

What does a negative correlation indicate in a scatter plot?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What does 'no association' mean in the context of scatter plots?

Back

'No association' means that there is no discernible relationship between the two variables being plotted.

Tags

CCSS.HSS.ID.B.5

Front

What is a line of best fit?

Back

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

Tags

CCSS.8.EE.B.5

Front

How can you use a trend line in a scatter plot?

Back

A trend line can be used to make predictions about one variable based on the value of another variable.

Front

What is the correlation coefficient?

Back

The correlation coefficient is a numerical measure of the strength and direction of a relationship between two variables, ranging from -1 to 1.

Tags

CCSS.HSS.ID.C.8

Front

What does a correlation coefficient of 0 indicate?

Back

A correlation coefficient of 0 indicates no correlation between the two variables.

Tags

CCSS.HSS.ID.B.5

Front

What is the difference between correlation and causation?

Back

Correlation indicates a relationship between two variables, while causation indicates that one variable directly affects the other.

Tags

CCSS.HSS.ID.C.9

Front

How do you identify a positive association in a scatter plot?

Back

A positive association is identified when the data points slope upwards from left to right.

Tags

CCSS.HSF-LE.A.1B