According to the Late Julian Simon

question 160

Multiple Choice

According to the late Julian Simon

• A)legal immigrants have a favorable impact on the welfare of American citizens, but illegal immigrants have a negative impact. However, the positive effect of the legal immigrants is stronger than the negative impact of the illegal immigrants.
• B)legal immigrants have a favorable impact on the welfare of American citizens, but illegal immigrants have a negative impact that almost exactly offsets the positive effect of the legal immigrants.
• C)legal and illegal immigrants have a positive effect on the welfare of American citizens.
• D)legal and illegal immigrants have a negative effect on the welfare of American citizens.

---

Definitions:

Correlation Coefficient

A measure that determines the degree to which two variables' movements are associated, ranging from -1 (perfect negative correlation) to +1 (perfect positive correlation).

Prediction Interval

An estimate of an interval in which future observations will fall, with a certain degree of confidence, based on a predictive model.

Linear Regression

A mathematical approach that models how a dependent variable changes based on one or several independent variables, by adapting a linear equation to the data collected.

Mean Value

The average of a set of numbers, calculated by dividing the sum of these numbers by the count of numbers in the set.