Solve the Problem A Use the Data in the Table to Find the Y

Multiple Choice

Solve the problem.
-The table below shows the wind speed y (in mph) of a hurricane versus the barometric pressure x (in mb) . $\begin{array}{|c|c|}\hline \begin{array}{c}\text { Barometric } \\\text { Pressure (mb) (x) }\end{array} & \begin{array}{c}\text { Wind } \\\text { Speed (mph) }(\mathbf{y}) \end{array} \\\hline 1,005 & 35 \\\hline 1,004 & 45 \\\hline 1,000 & 50 \\\hline 996 & 65 \\\hline 984 & 80 \\\hline 970 & 100 \\\hline 949 & 110 \\\hline 929 & 145 \\\hline 904 & 160 \\\hline\end{array}$

a. Use the data in the table to find the least-squares regression line. Round the slope to 2 decimal places and the $y$ -intercept to the nearest whole unit.
b. Use the model in part (a) to approximate the wind speed of a hurricane with a barometric pressure of $900 \mathrm { mb }$ .

A) a. $y = - 1.38 x + 1,395$ ; b. $155 \mathrm { mph }$
B) a. $y = - 1.38 x + 1,395$ ; b. $153 \mathrm { mph }$
C) a. $y = - 1.2 x + 1,251$ ; b. $171 \mathrm { mph }$
D) a. $y = - 1.2 x + 1,251$ ; b. $155 \mathrm { mph }$