52 webassign.net online108_exam2 - AMAT 108 Summer 2022, Summer 1 2022 | WebAssign Course Hero If the point in the upper left corner of this scatterplot is removed from the data... Medical records indicate that people with more education tend to live longer; the correlation is 0.52. The slope of the linear model that predicts lifespan from years of education sucimetlef that on average people, tend to live 1.19 extra years for each additional year of education they have. The slope of the line that would predict lifespan from years of education is 1:25:02 119 1.19 0.52 13. [-/3 Points] DETAILS MY NOTES ASK YOUR TEACHER Two variables that are actually not related to each other may nonetheless have a very high correlation because they both result from some other, possibly hidden, factor. This is an example of O O O O leverage a confounding/lurking variable regression extrapolation 14. [-/6 Points] DETAILS MY NOTES ASK YOUR TEACHER A consumer advocacy group recorded several variables on 140 models of cars. The resulting information was used to produce the following regression output that relates the city gas mileage (in mpg) and the engine displacement (in cubic inches). The regression equation is mpg city= 37.6 - 0.0644 * displacement We have a car that has an engine with 158 cubic inches. Based on this output, what city gas mileage would you predict for this car? 4.0 (Round answer to the nearest hundredth (2 decimal places.) 88