8th STAAR 5d (scatterplot predictions)

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What is a scatterplot?

Back

A scatterplot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.

Tags

TEKS.MATH.8.11A

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How can you use a scatterplot to make predictions?

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You can use a scatterplot to make predictions by observing the trend of the data points and estimating the value of one variable based on the value of another.

Tags

TEKS.MATH.2A.8C

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What does a positive correlation in a scatterplot indicate?

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

Tags

TEKS.MATH.8.11A

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What does a negative correlation in a scatterplot indicate?

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

Tags

TEKS.MATH.8.11A

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What does it mean if the points in a scatterplot are widely spread out?

Back

If the points are widely spread out, it indicates a weak correlation between the two variables.

Tags

TEKS.MATH.8.11A

Front

What does it mean if the points in a scatterplot are closely clustered together?

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If the points are closely clustered together, it indicates a strong correlation between the two variables.

Tags

TEKS.MATH.8.11A

Front

What is the purpose of the x-axis in a scatterplot?

Back

The x-axis typically represents the independent variable, which is the variable that is manipulated or changed.

Tags

TEKS.MATH.8.11A

Front

What is the purpose of the y-axis in a scatterplot?

Back

The y-axis typically represents the dependent variable, which is the variable that is measured or observed.

Tags

TEKS.MATH.8.11A

Front

How do you identify outliers in a scatterplot?

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Outliers are data points that fall far away from the general trend of the other points in the scatterplot.

Tags

TEKS.MATH.S.7A

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What is interpolation in the context of scatterplots?

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Interpolation is the process of estimating a value within the range of the data points in a scatterplot.

Tags

TEKS.MATH.A.3B

TEKS.MATH.A.3C