Find the value of the linear correlation coefficient r.
-A study was conducted to compare the average time spent in the lab each week versus course grade for computer programming students. The results are recorded in the table below. $$\begin{array} { c c }
\text { Number of hours spent in lab } & \text { Grade (percent) } \
\hline 10 & 96 \
11 & 51 \
16 & 62 \
9 & 58 \
7 & 89 \
15 & 81 \
16 & 46 \
10 & 51
\end{array}$$
A) -0.284
B) 0.462
C) -0.335
D) 0.017

Question

Find the value of the linear correlation coefficient r.
-A study was conducted to compare the average time spent in the lab each week versus course grade for computer programming students. The results are recorded in the table below. $$\begin{array} { c c } 
\text { Number of hours spent in lab } & \text { Grade (percent) } \
\hline 10 & 96 \
11 & 51 \
16 & 62 \
9 & 58 \
7 & 89 \
15 & 81 \
16 & 46 \
10 & 51
\end{array}$$
A) -0.284
B) 0.462
C) -0.335
D) 0.017

Quizplus · Accepted Answer

Using a calculator or statistical software, we can find that the linear correlation coefficient r is approximately -0.335. This indicates a weak negative correlation between the number of hours spent in the lab and the course grade for computer programming students.

Find the Value of the Linear Correlation Coefficient R A) -0284 B) 0

Find the Value of the Linear Correlation Coefficient R A) -0284
B) 0