Statistics for Big Data For Dummies by Anderson Alan

Statistics for Big Data For Dummies by Anderson Alan

Author:Anderson, Alan [Anderson, Alan]
Language: eng
Format: azw3
ISBN: 9781118940020
Publisher: Wiley
Published: 2015-08-10T16:00:00+00:00


Figure 12-4 shows a scatter plot and the trend line for two variables that are negatively correlated.

© John Wiley & Sons, Inc.

Figure 12-4: Scatter plot of two negatively correlated variables with a trend line.

The scatter plot shows that as X increases, Y tends to decrease; the trend line has a negative slope. Therefore, X and Y are negatively correlated.

Figure 12-5 shows a scatter plot and the trend line for two variables that are uncorrelated.

© John Wiley & Sons, Inc.

Figure 12-5: Scatter plot of two uncorrelated variables with a trend line.



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