course.work X + C course.work/#!/students/61cddcdb6caaab00169e2e8d/do G course.work My Account Student Log Out C The scatterplot below displays the relationship between husbands' and wives' ages in a random sample of 170 couples in Britain, where both partners' ages are below 65 years. Given below is summary output of the least squares fit for predicting wife's age from husband's age. 60 Wife's age (in years) @ 40 20 20 40 60 Husband's age (in years) Im_age summary (1m_age) call: Im(formula = age. wife ~ age . husband, data = couples) Coefficients: Estimate Std. Error t value Pr(>|t|) (Intercept) 1. 5740 1. 1501 1. 37 0. 1730 age . husband 0. 9112 0. 0259 35.25 C course.work/#!/students/61cddcdb6caaab00169e2e8d/do G course.work My Account Student Log Out C No answer entered. Click above to enter an answer. Saved 6.b TBD Given that r2 = 0.88, what is the correlation of ages in this data set? points No answer entered. Click above to enter an answer. 6.c TBD You meet a married man from Britain who is 85 years old. Would it be wise to use the same linear model to predict his wife's age? Explain. points No answer entered. Click above to enter an answer. 6.d TBD Explain what is being assessed with this very small p-value from the R output provided. points Coefficients: Estimate Std. Error t value Pr(> |t|) (Intercept) 1.5740 1. 1501 1.37 0.1730 age . husband 0. 9112 . 0259 35.25 Save Assignment Terms and Conditions Privacy Policy Contact Us Copyright @ 2015-2019