Bivariate Data

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What is bivariate data?

Back

Bivariate data involves two variables and is used to determine the relationship between them.

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CCSS.6.SP.B.5B

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What is a scatter plot?

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A scatter plot is a graph that displays values for two variables for a set of data.

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CCSS.8.SP.A.1

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What does an outlier represent in a data set?

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An outlier is a data point that differs significantly from other observations, often indicating variability or an anomaly.

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How do you identify an outlier in a scatter plot?

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An outlier can be identified as a point that is far outside the main cluster of points.

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CCSS.8.SP.A.1

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What is correlation in statistics?

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Correlation measures the strength and direction of a linear relationship between two variables.

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CCSS.HSF-LE.A.1B

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What does a positive correlation 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 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 trend of the data.

Tags

CCSS.8.EE.B.5

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How do you determine the equation of the line of best fit?

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The equation of the line of best fit can be determined using statistical methods such as linear regression.

Tags

CCSS.8.EE.B.5

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What is the purpose of the line of best fit?

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The line of best fit helps to predict values and understand the relationship between the two variables.

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CCSS.8.SP.A.2