Scatter Plots Flashcard

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 y-intercept represent in a graph?

Back

The y-intercept is the point where the line crosses the y-axis, indicating the value of the dependent variable when the independent variable is zero.

Front

How do you determine the slope of a line?

Back

The slope of a line is determined by the ratio of the change in the y-values to the change in the x-values between two points on the line.

Tags

CCSS.8.EE.B.5

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

How can you find the number of debates won if given practice hours and a correlation?

Back

You can use the slope of the line in the scatter plot to determine the expected number of debates won based on the hours practiced.

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Front

What is the formula for calculating slope?

Back

The formula for slope (m) is m = (y2 - y1) / (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line.

Tags

CCSS.8.EE.B.5

Front

What does the term 'outlier' refer to in a scatter plot?

Back

An outlier is a data point that differs significantly from other observations in the dataset, potentially indicating an anomaly.

Tags

CCSS.8.SP.A.1

Front

How do you interpret the y-value of a point on a scatter plot?

Back

The y-value of a point on a scatter plot represents the value of the dependent variable for a given value of the independent variable.

Tags

CCSS.HSF.IF.B.4