Question

Creed wanted to know if there was a correlation between number of years of education and income. He collected data and created the scatterplot shown: scatter plot with points loosely scattered going up to the right Determine the closest correlation coefficient (r value) for this data.

Answer 1

Correlation is a mutual relationship or connection between two or more than two things. The coefficient of correlation is r which ranges from 1 to -1. These two extremes show that the value of correlation is maximum.

The scatterplot when the data points are clustered together, it means the correlation is strong. But when it is scattered, it means that the correlation is weak and not very strong. It also shows that there is positive relationship between the variables since they are going from left to right.

Answer 2

The correlation of this scatterplot is r = more than zero but less than one and is positive.

Explanation:

Correlation is a mutual relationship or connection between two or more than two things. The coefficient of correlation is r which ranges from 1 to -1. These two extremes show that the value of correlation is maximum.

The scatterplot when the data points are clustered together, it means the correlation is strong. But when it is scattered, it means that the correlation is weak and not very strong. It also shows that there is positive relationship between the variables since they are going from left to right.