Unit 4 Assessment

Front

What is a negative correlation?

Back

A negative correlation is a relationship between two variables in which one variable increases as the other decreases.

Tags

CCSS.HSS.ID.B.5

Front

What does a positive correlation indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

What does 'no correlation' mean?

Back

No correlation means there is no predictable relationship between two variables.

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, showing the trend of the data.

Tags

CCSS.8.EE.B.5

Front

How do you determine the y-value from a line of best fit?

Back

To determine the y-value from a line of best fit, locate the corresponding x-value on the x-axis and find where it intersects the line.

Tags

CCSS.HSF.IF.A.2

Front

What is the purpose of a line of best fit?

Back

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

Tags

CCSS.8.EE.B.5

Front

What does it mean if a line of best fit is accurate?

Back

An accurate line of best fit closely follows the trend of the data points and minimizes the distance from the points to the line.

Tags

CCSS.HSF-LE.A.1B

Front

What is the significance of the slope in a line of best fit?

Back

The slope indicates the direction and steepness of the relationship between the two variables.

Tags

CCSS.8.EE.B.5

Front

What is the x-axis in a scatter plot?

Back

The x-axis is the horizontal axis that typically represents the independent variable.