A student is interested in studying the impact of number of books referred by students on a statistics course and the number of lectures they attended on the final grade on the course. A sample of 25 students is selected and the data is given below. $$\begin{array} { | c | c | c | }
\hline \text { BOOKS } & \text { AT TEND } & \text { GRADE } \
\hline 2 & 17 & 60 \
\hline 3 & 18 & 54 \
\hline 1 & 17 & 62 \
\hline 5 & 20 & 59 \
\hline 2 & 12 & 44 \
\hline 1 & 13 & 40 \
\hline 3 & 17 & 96 \
\hline 4 & 19 & 90 \
\hline 5 & 22 & 97 \
\hline 2 & 22 & 54 \
\hline 5 & 22 & 91 \
\hline 1 & 12 & 48 \
\hline 3 & 18 & 91 \
\hline 1 & 12 & 65 \
\hline 4 & 21 & 82 \
\hline 5 & 14 & 61 \
\hline 3 & 18 & 54 \
\hline 3 & 13 & 46 \
\hline 1 & 8 & 64 \
\hline 5 & 22 & 90 \
\hline
\end{array}$$
a. Develop an estimated regression equation using number of books referred and the number of lectures attended to predict the final grade on the course.
b. Joseph referred 4 books and attended 19 lectures. What is his predicted final score on the course?

Question

A student is interested in studying the impact of number of books referred by students on a statistics course and the number of lectures they attended on the final grade on the course. A sample of 25 students is selected and the data is given below. $$\begin{array} { | c | c | c | } 
\hline \text { BOOKS } & \text { AT TEND } & \text { GRADE } \
\hline 2 & 17 & 60 \
\hline 3 & 18 & 54 \
\hline 1 & 17 & 62 \
\hline 5 & 20 & 59 \
\hline 2 & 12 & 44 \
\hline 1 & 13 & 40 \
\hline 3 & 17 & 96 \
\hline 4 & 19 & 90 \
\hline 5 & 22 & 97 \
\hline 2 & 22 & 54 \
\hline 5 & 22 & 91 \
\hline 1 & 12 & 48 \
\hline 3 & 18 & 91 \
\hline 1 & 12 & 65 \
\hline 4 & 21 & 82 \
\hline 5 & 14 & 61 \
\hline 3 & 18 & 54 \
\hline 3 & 13 & 46 \
\hline 1 & 8 & 64 \
\hline 5 & 22 & 90 \
\hline
\end{array}$$ 
a. Develop an estimated regression equation using number of books referred and the number of lectures attended to predict the final grade on the course.
b. Joseph referred 4 books and attended 19 lectures. What is his predicted final score on the course?

Quizplus · Accepted Answer

The Answer of A student is interested in studying the impact of number of books referred by students on a statistics course and the number of lectures they attended on the final grade on the course. A sample of 25 students is selected and the data is given below. $$\begin{array} { | c | c | c | } 
\hline \text { BOOKS } & \text { AT TEND } & \text { GRADE } \
\hline 2 & 17 & 60 \
\hline 3 & 18 & 54 \
\hline 1 & 17 & 62 \
\hline 5 & 20 & 59 \
\hline 2 & 12 & 44 \
\hline 1 & 13 & 40 \
\hline 3 & 17 & 96 \
\hline 4 & 19 & 90 \
\hline 5 & 22 & 97 \
\hline 2 & 22 & 54 \
\hline 5 & 22 & 91 \
\hline 1 & 12 & 48 \
\hline 3 & 18 & 91 \
\hline 1 & 12 & 65 \
\hline 4 & 21 & 82 \
\hline 5 & 14 & 61 \
\hline 3 & 18 & 54 \
\hline 3 & 13 & 46 \
\hline 1 & 8 & 64 \
\hline 5 & 22 & 90 \
\hline
\end{array}$$ 
a. Develop an estimated regression equation using number of books referred and the number of lectures attended to predict the final grade on the course.
b. Joseph referred 4 books and attended 19 lectures. What is his predicted final score on the course?

A Student Is Interested in Studying the Impact of Number