Question

suppose the correlation coefficient between a baby’s weight and the price of a computer is 0.87

Answer 1

As the baby gains weight, computer prices tend to increase.

Answer 2

Concept

Correlation coefficients quantify the degree of similarity between two variables. A variable correlation indicates that when one variable's value changes, the other variable tends to change in a specific direction. Correlation coefficients quantify the degree of similarity between two variables. A variable correlation indicates that when one variable's value changes, the other variable tends to change in a specific direction. Positive coefficients indicate that as the value of one variable rise, the value of the other variable rises as well. The relationship between the speed of a wind turbine and the amount of energy it produces is an example of a positive correlation. As the turbine speed increases, so does the amount of electricity produced.

Given

The correlation coefficient between baby weight and computer price is 0.87.

Find

We have to find the meaning of this statement.

Solution

Since 0.87 > 0, is a positive correlation, so we can conclude that computer prices tend to rise as the baby grows in size.

Therefore, as the baby gains weight, computer prices tend to increase.

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