Extrapolation & Interpolation

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What is Extrapolation?

Back

Extrapolation is the process of estimating or predicting values outside the range of known data points based on the trend of the data.

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What is Interpolation?

Back

Interpolation is the process of estimating or predicting values within the range of known data points.

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What does a positive correlation indicate?

Back

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

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What does a negative correlation indicate?

Back

A negative correlation indicates that as one variable increases, the other variable decreases.

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What does 'no correlation' mean?

Back

No correlation means there is no relationship between the two variables; changes in one do not affect the other.

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What is a scatter plot?

Back

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

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What is a line of best fit?

Back

A line of best fit is a straight line that best represents the data on a scatter plot, showing the trend of the data.

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What is an outlier?

Back

An outlier is a data point that differs significantly from other observations in a dataset.

Front

How do you determine if a line is a line of best fit?

Back

A line is a line of best fit if it minimizes the distance between itself and all the data points, ideally passing through the center of the data.

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What is the purpose of using interpolation in data analysis?

Back

Interpolation is used to estimate unknown values within the range of a set of known data points.