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More Lessons on Statistics

Examples, solutions, videos, worksheets, stories, and songs to help Grade 8 students learn about Scatter Plots, Line of Best Fit and Correlation.

A scatter plot or scatter diagram is a two-dimensional graph in which the points corresponding to two related factors are graphed and observed for correlation. A downward trend in points shows a negative correlation. An upward trend in points shows a positive correlation. If there is no trend in graph points then there is no correlation.

**Scatter Plot**

In this video, you will learn that a scatter plot is a graph in which the data is plotted as points on a coordinate grid, and note that a "best-fit line" can be drawn to determine the trend in the data. If the x-values increase as the y-values increase, the scatter plot represents a positive correlation. If the x-values increase as the y-values decrease, the scatter plot represents a negative correlation. If the data is spread out so that it is not possible to draw a "best-fit line", there is no correlation.**Creating a Scatter Plot.**
**Learn Scatter Plots and Best Fitting Lines**

This video explains what a scatter plot is and how to find the best fitting line.**Scatter plot graphs correlation line of best fit univariate data and bivariate data.**
**Scatter Plots : Introduction to Positive and Negative Correlation.**
**Interpreting Scatterplots**

Starts with a description of how to plot a scatterplot from a table. At the 2:24 mark it talks about how to interpret scatterplots in terms of direction, form, strength and outliers.

More Lessons on Statistics

Examples, solutions, videos, worksheets, stories, and songs to help Grade 8 students learn about Scatter Plots, Line of Best Fit and Correlation.

A scatter plot or scatter diagram is a two-dimensional graph in which the points corresponding to two related factors are graphed and observed for correlation. A downward trend in points shows a negative correlation. An upward trend in points shows a positive correlation. If there is no trend in graph points then there is no correlation.

In this video, you will learn that a scatter plot is a graph in which the data is plotted as points on a coordinate grid, and note that a "best-fit line" can be drawn to determine the trend in the data. If the x-values increase as the y-values increase, the scatter plot represents a positive correlation. If the x-values increase as the y-values decrease, the scatter plot represents a negative correlation. If the data is spread out so that it is not possible to draw a "best-fit line", there is no correlation.

This video explains what a scatter plot is and how to find the best fitting line.

Starts with a description of how to plot a scatterplot from a table. At the 2:24 mark it talks about how to interpret scatterplots in terms of direction, form, strength and outliers.

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