Use the table below to answer the following Questions . $\begin{array} { l l l l l l l l l l l }
\text { Temperature in degrees } F ( y )& 70 & 72 & 74 & 75 & 81 & 82 & 83 & 84 & 89 & 93 \
\text { Chirps per second } ( x ) & 15 & 15 & 15 & 16 & 17 & 17 & 16 & 17 & 19 & 20
\end{array}$
-Let x = number of chirps per second and y = temperature. What is the slope of the regression line?
A) about 4
B) about 11
C) about 70
D) None of the above.

Question

Use the table below to answer the following Questions . $\begin{array} { l l l l l l l l l l l } 
\text { Temperature in degrees } F ( y )& 70 & 72 & 74 & 75 & 81 & 82 & 83 & 84 & 89 & 93 \
\text { Chirps per second } ( x ) & 15 & 15 & 15 & 16 & 17 & 17 & 16 & 17 & 19 & 20
\end{array}$
-Let x = number of chirps per second and y = temperature. What is the slope of the regression line?
A) about 4
B) about 11
C) about 70
D) None of the above.

Quizplus · Accepted Answer

The slope of the regression line can be calculated using the formula for the slope in linear regression, which is the covariance of x and y divided by the variance of x. The given data suggests a positive relationship, and the slope is approximately 4.

Use the Table Below to Answer the Following Questions -Let X = Number of Chirps Per Second and Y