Answer to Question #209918 in Statistics and Probability for Eli

Question

Sketch the scatter plot of the following that shows

1. Strong positive correlation

2. Weak positive correlation

3. Perfect negative correlation

4. No correlation

Answer 1

Strong positive correlation :

The relationship between two variables is generally considered strong when their r value is larger than 0.7.

weak positive correlation :

0.3 < r <0.5 is considered as weak positive correlation:

A perfect negative correlation is given the value of -1.

If there is absolutely no correlation present the value given is 0.