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0 Question 22 v A researcher wishes to examine the relationship between years of schooling completed and the number of pregnancies in young women. Her research discovers a linear relationship, and the least squares line is: if = 2 5a: where x is the number of years of schooling completed and y is the number of pregnancies. The slope of the regression line can be interpreted in the following way: 0 When amount of schooling increases by one year, the number of pregnancies tends to decrease by 2. 0 When amount of schooling increases by one year, the number of pregnancies tends to increase by 5. 0 When amount of schooling increases by one year, the number of pregnancies tends to increase by 2. 0 When amount of schooling increases by one year, the number of pregnancies tends to decrease by 5