A researcher wishes to examine the relationship between years of college and yearly income. Her research discovers a linear relationship: where is the number of years of college completed and is the yearly income in thousands of dollars. The slope of the line can be interpreted in the following way: For each additional year of college the income increases by 5.1 thousand dollars. For each additional year of college the income decreases by 37 thousand dollars. For each additional year of college the income increases by 37 thousand dollars. For each additional 5.1 years of college the income increases by 37 thousand dollars. For each additional year of college the income decreases by 5.1 thousand dollars If a person has 0 years of college, their income is projected to be 5.1 thousand dollars