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We use scatter plots to explore the relationship between two quantitative variables, and we use regression to model the relationship and make predictions. This unit explores linear regression and how to assess the strength of linear models.
Learn to interpret scatter plots in 8th grade math with Khan Academy's video tutorial.
خان اکیڈیمی. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. Explore. Search. Donate.
Scatterplots show us relationships and patterns in data, and we use those patterns to make predictions.
Positive and negative linear associations from scatter plots. Describing trends in scatterplots. Outliers in scatter plots. Clusters in scatter plots.
Positive and negative linear associations from scatter plots. Describing trends in scatterplots. Outliers in scatter plots. Clusters in scatter plots.
If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.
Learn how to calculate the correlation coefficient r and understand its significance in analyzing bivariate data.
Does the time an exam happens affects the scores? Aubrey gathered info. Then she made a scatter plot with the time of day on the bottom (on the horizontal axis) and the scores on the side (on the vertical axis). She didn't find a clear pattern. Created by Sal Khan.