Scatter Plots

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What is a scatter plot?

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

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CCSS.8.SP.A.1

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What does a positive correlation in a scatter plot indicate?

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

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CCSS.HSS.ID.B.5

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What does a negative correlation in a scatter plot indicate?

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

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CCSS.HSS.ID.B.5

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What is the 'Line of Best Fit'?

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The 'Line of Best Fit' is a straight line that best represents the data on a scatter plot, showing the general direction of the data points.

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CCSS.8.EE.B.5

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How can you identify a scatter plot with no correlation?

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A scatter plot with no correlation shows data points that are randomly scattered without any discernible pattern or trend.

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CCSS.HSS.ID.B.5

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What is the purpose of using scatter plots?

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Scatter plots are used to visually represent the relationship between two variables and to identify trends, correlations, or patterns in data.

Tags

CCSS.8.SP.A.1

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What does it mean if a scatter plot has a steep slope?

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A steep slope in a scatter plot indicates a strong relationship between the two variables, whether positive or negative.

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CCSS.HSF-LE.A.1B

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How do you interpret the data points in a scatter plot?

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Each data point in a scatter plot represents an observation, with its position determined by the values of the two variables being compared.

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CCSS.8.SP.A.1

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What is an outlier in a scatter plot?

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An outlier is a data point that lies far away from the other points in the scatter plot, potentially indicating an unusual observation.

Tags

CCSS.8.SP.A.1

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How can you make predictions using a scatter plot?

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You can make predictions by analyzing the trend shown by the data points and using the 'Line of Best Fit' to estimate values.