10
QuizMultiple Choice
Calculating the Least-Squares Regression Line
Question 10 • DRHS GA-Statistical Reasoning
A certain standardized test measures students’ knowledge in English and math. The English and math scores for 10 randomly selected students are given in the table.Using technology, what is the equation for the least-squares regression line?
Answer
A
ŷ = 180.2 + 0.68xB
ŷ = 0.68 + 180.2xC
ŷ = –124.1 + 1.22xD
ŷ = 1.22 – 124.1x