Interpreting Scatter plots 4.1 & 4.2

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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 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

What does no correlation in a scatter plot mean?

Back

No correlation means there is no apparent relationship between the two variables; the data points do not show any trend.

Tags

CCSS.HSF-LE.A.1B

Front

How can you identify a strong correlation in a scatter plot?

Back

A strong correlation is identified when the data points are closely clustered around a straight line.

Tags

CCSS.HSF-LE.A.1B

Front

How can you identify a weak correlation in a scatter plot?

Back

A weak correlation is identified when the data points are more spread out and do not closely follow a straight line.

Tags

CCSS.HSF-LE.A.1B

Front

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

Back

A trend line is used to summarize the relationship between the variables and to make predictions.

Front

What does the slope of a trend line represent in a scatter plot?

Back

The slope of a trend line represents the rate of change between the two variables.

Tags

CCSS.8.EE.B.5

Front

What is an outlier in a scatter plot?

Back

An outlier is a data point that lies far away from the other points and may indicate an unusual observation.

Tags

CCSS.8.SP.A.1

Front

How can scatter plots be used in real-world applications?

Back

Scatter plots can be used in various fields such as economics, biology, and social sciences to analyze relationships between variables.

Tags

CCSS.HSS.ID.B.5