Topic 4 Mid Topic Review

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 the line of best fit represent in a scatter plot?

Back

The line of best fit represents the trend of the data points in a scatter plot, indicating the general direction of the relationship between the variables.

Tags

CCSS.8.SP.A.2

Front

What is the equation of a line in slope-intercept form?

Back

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

What does a positive correlation in a scatter plot indicate?

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 in a scatter plot indicate?

Back

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

Tags

CCSS.HSS.ID.B.5

Front

How do you determine the slope of a line from two points?

Back

Tags

CCSS.8.EE.B.5

Front

What is the purpose of the line of best fit?

Back

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

Tags

CCSS.8.EE.B.5

Front

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

Back

If a scatter plot has no correlation, it means there is no apparent relationship between the two variables.

Tags

CCSS.HSS.ID.B.5

Front

What is the y-intercept in the equation of a line?

Back

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Front

How can you identify the line of best fit visually?

Back

The line of best fit can be identified visually as the line that best represents the trend of the data points, minimizing the distance from all points to the line.