A Researcher at a Local Law University Wishes to See

Essay

A researcher at a local law university wishes to see whether a studentʹs grade point average and age are related
to a studentʹs score on the state bar exam. Six students are randomly selected. The data are given below. $$\begin{array} { c | c | c | c } \text { Student } & \text { GPA } & \text { Age } & \text { Score } \\\hline 1 & 3.5 & 23 & 530 \\2 & 2.8 & 28 & 550 \\3 & 3.9 & 22 & 690 \\4 & 3.4 & 27 & 620 \\5 & 2.3 & 21 & 430 \\6 & 3.3 & 26 & 580\end{array}$$ a)Find a multiple regression equation for the data.
b)What is the standard error of estimate?
c)What is the coefficient of determination?
d)Interpret the results in (c).
e)Predict the state bar exam score for a 25-year-old student with a grade point average of 3.0.