Scatter Plots & Trend Lines

Front

What is a scatter plot?

Back

A graph that shows the relationship of two data sets.

Tags

CCSS.8.SP.A.1

Front

As x increases, y decreases. What type of correlation is this?

Back

Negative Correlation.

Tags

CCSS.HSS.ID.B.5

Front

What is the method used to find the line of best fit?

Back

Linear Regression.

Tags

CCSS.8.EE.B.5

Front

As x increases, y increases. What type of correlation is this?

Back

Positive Correlation.

Tags

CCSS.HSS.ID.B.5

Front

What is the difference between an actual y-value and a predicted y-value called?

Back

Residual.

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Tags

CCSS.HSS.ID.B.5

Front

What does a negative correlation indicate?

Back

As one variable increases, the other variable decreases.

Tags

CCSS.HSS.ID.B.5

Front

What is the purpose of a trend line in a scatter plot?

Back

To show the general direction of the data points.

Tags

CCSS.8.SP.A.2

Front

What is interpolation in the context of scatter plots?

Back

Estimating a value within the range of known data points.

Front

What is extrapolation in the context of scatter plots?

Back

Estimating a value outside the range of known data points.

Tags

CCSS.8.SP.A.3