Will IQ and annual salary correlation?

Will IQ and annual salary correlation?

Squirreled wealth “Each point increase in IQ test scores is associated with $202 to $616 more income per year,” he says. For example, a person with a score of 130 (in the top 2%, in terms of IQ) might earn about $12,000 more per year than someone with an average IQ score of about 100.

What might be a lurking variable between percentage of the population with a cell phone and violent crime rate?

What might be a lurking variable between percentage of the population with a cell phone and violent crime​ rate? No. Since there is a lurking variable between the percentage of the population with a cell phone and the violent crime​ rate, the two​ variables’ correlation does not imply causation.

Is the correlation positive or negative?

If the correlation coefficient is greater than zero, it is a positive relationship. Conversely, if the value is less than zero, it is a negative relationship. A value of zero indicates that there is no relationship between the two variables.

What does it mean if r equals 0?

there is no correlation

How do you interpret Pearson’s r?

Pearson’s r can range from -1 to 1. An r of -1 indicates a perfect negative linear relationship between variables, an r of 0 indicates no linear relationship between variables, and an r of 1 indicates a perfect positive linear relationship between variables.

What is a strong R value?

The relationship between two variables is generally considered strong when their r value is larger than 0.7. The correlation r measures the strength of the linear relationship between two quantitative variables.

What type of number is imaginary?

An imaginary number is a complex number that can be written as a real number multiplied by the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is −b2. For example, 5i is an imaginary number, and its square is −25.