A Student Is Interested in Studying the Impact of Number

question 16

Essay

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?

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Definitions:

Productive

Refers to the capacity to produce substantial results, outputs, or benefits efficiently.

Frenzied Energy

A state of intense, often unfocused activity and excitement, typically resulting from heightened emotions or nervousness.

Clinicians

Healthcare professionals involved in the direct care and treatment of patients.

Exogenous Depression

Depression caused by external factors or events, rather than by internal psychological or biological factors.