Scatter Plots

Front

What is a scatter plot?

Back

A scatter plot is a graphical representation of two variables where each point represents an observation. It helps to visualize the relationship between the variables.

Tags

CCSS.8.SP.A.1

Front

What does a negative association in a scatter plot indicate?

Back

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

Tags

CCSS.HSF-LE.A.1B

Front

What does a positive association in a scatter plot indicate?

Back

A positive association indicates that as one variable increases, the other variable also tends to increase.

Tags

CCSS.HSS.ID.B.5

Front

How can you determine if a scatter plot shows a linear relationship?

Back

A scatter plot shows a linear relationship if the points roughly form a straight line, indicating a consistent rate of change between the variables.

Tags

CCSS.8.F.A.3

Front

What is the purpose of using scatter plots in data analysis?

Back

Scatter plots are used to identify relationships, trends, and correlations between two quantitative variables.

Tags

CCSS.8.SP.A.1

Front

What does it mean if a scatter plot has no apparent association?

Back

If a scatter plot has no apparent association, it means there is no clear relationship between the two variables, and changes in one do not predict changes in the other.

Tags

CCSS.HSS.ID.B.5

Front

What is the significance of the slope in a linear scatter plot?

Back

The slope indicates the rate of change between the two variables; a steeper slope means a greater change in the dependent variable for a unit change in the independent variable.

Tags

CCSS.8.EE.B.5

Front

How can outliers affect the interpretation of a scatter plot?

Back

Outliers can skew the results and may lead to incorrect conclusions about the relationship between the variables.

Tags

CCSS.8.SP.A.1

Front

What is the difference between correlation and causation in the context of scatter plots?

Back

Correlation indicates a relationship between two variables, while causation implies that one variable directly affects the other.

Tags

CCSS.HSS.ID.C.9

Front

What is the role of the x-axis and y-axis in a scatter plot?

Back

The x-axis typically represents the independent variable, while the y-axis represents the dependent variable.