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# The Following Table Lists Values Measured for 10 Consecutive Eruptions $\left( x _ { 1 } \right)$

Question 120
Multiple Choice
Question 120
Multiple Choice

## The following table lists values measured for 10 consecutive eruptions of the geyser Old Faithful in Yellowstone National Park. They are the duration, in minutes, of the eruption $\left( x _ { 1 } \right)$ the dormant period before the eruption $\left( x _ { 2 } \right)$ and the dormant period after the eruption ( y ).$\begin{array} { c c c } x _ { 1 } & x _ { 2 } & y \\4.1 & 70 & 79 \\3.7 & 79 & 60 \\3.8 & 60 & 86 \\3.4 & 86 & 71 \\4.0 & 71 & 67 \\2.3 & 67 & 81 \\4.4 & 81 & 76 \\4.1 & 76 & 83 \\4.3 & 83 & 76 \\3.3 & 76 & 55\end{array}$Construct the multiple regression equation $\hat { y } = b _ { 0 } + b _ { 1 } x _ { 1 } + b _ { 2 } x _ { 2 }$

A) $\hat { y } = 104.99 + 3.9972 x _ { 1 } - 0.6214 x _ { 2 }$
B) $\hat { y } = - 0.6214 + 3.9972 x _ { 1 } + 104.99 x _ { 2 }$
C) $y = - 0.57 + 3.70 x _ { 1 } + 103.94 x _ { 2 }$
D) $\hat { y } = 103.94 + 3.70 x _ { 1 } - 0.57 x _ { 2 }$

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