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Examen
Biostat Practice Exam 4 Questions & Answers 2024/2025
Biostat Practice Exam 4 Questions & Answers 2024/2025 
 
 
In a simple (bivariate) linear regression, which of the following values for the R2 correspond to 
the situation where all of the data points in the scatterplot lie on the regression (or trend) line: 
A. R2 = 1 
B. R2 = 0.5 
C. R2 = 0 
D. none of these answers are correct - ANSWERSA. R2 = 1 
 
In a regression analysis, the variable that the researcher hopes to measure and explain is 
known as: 
A. regressor 
B. dependent variable 
C. exp...