6.1 & 6.2

Front

What is a positive correlation?

Back

A positive correlation is a relationship between two variables where an increase in one variable leads to an increase in the other variable.

Tags

CCSS.HSS.ID.B.5

Front

What is a negative correlation?

Back

A negative correlation is a relationship between two variables where an increase in one variable leads to a decrease in the other variable.

Tags

CCSS.HSS.ID.B.5

Front

What does no correlation mean?

Back

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

Tags

CCSS.HSS.ID.B.5

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.

Tags

CCSS.8.SP.A.1

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, used to make predictions.

Tags

CCSS.8.SP.A.2

Front

How do you interpret a scatter plot with a positive correlation?

Back

In a scatter plot with a positive correlation, as one variable increases, the other variable also tends to increase.

Tags

CCSS.HSS.ID.B.5

Front

How do you interpret a scatter plot with a negative correlation?

Back

In a scatter plot with a negative correlation, as one variable increases, the other variable tends to decrease.

Tags

CCSS.HSS.ID.B.5

Front

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

Back

The purpose of using a trend line is to summarize the relationship between the variables and to make predictions.

Tags

CCSS.8.SP.A.2

Front

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

Back

If a scatter plot shows no correlation, it indicates that there is no discernible relationship between the two variables.

Tags

CCSS.HSS.ID.B.5

Front

How can you predict values using a line of best fit?

Back

You can predict values by extending the line of best fit to estimate the value of one variable based on the value of the other.

Tags

CCSS.8.EE.B.5