4
QuizMultiple Choice
Unit Test — Unit test
Question 4 • FLEX - Math 4
Athletes at the 2018 World Figure Skating Championships are evaluated in two rounds of competition: the Short Program, and the Free Skate. The sum of the scores for each skater are then used to determine the medalists. For each of the 24 male skaters at the 2018 World Championship, the scores for each round are displayed in a scatterplot.
Answer
A
A linear model is appropriate because the residuals are centered about zero.B
A linear model is not appropriate because there are outliers in the scatterplot.C
A linear model is not appropriate because the residual plot does not show a linear pattern.D
A linear model is appropriate because the scatterplot is roughly linear, and the residual plot does not show a clear pattern.