Use Computer Software to Obtain the Regression Equation A) 158
B) 134
C) 153
D) 146

question 79

Multiple Choice

Use computer software to obtain the regression equation. Use the estimated equation to find the predicted value
-A visitor to Yellowstone National Park sat down one day and observed Old Faithful, which faithfully spurts throughout the day, day in and day out. He surmised that the height of a given spurt was caused by the pressure build-up during the interval between spurts and by the momentum build-up during the duration of the spurt. He wrote down the data to test his hypothesis. He then used the regression equation he obtained to predict the height of the geyser if the interval is 104 seconds and the duration is 241 seconds. $\begin{array}{ccc}\hline \text { HEIGHT } & \text { INTERVAL } & \text { DURATIC } \\\hline150 & 86 & 240 \\154 & 86 & 237 \\140 & 62 & 122 \\140 & 104 & 267 \\160 & 62 & 113 \\140 & 95 & 258 \\150 & 79 & 232 \\150 & 62 & 105 \\160 & 94 & 276 \\155 & 79 & 248 \\125 & 86 & 243 \\136 & 85 & 241 \\140 & 86 & 214 \\155 & 58 & 114 \\130 & 89 & 272 \\125 & 79 & 227 \\125 & 83 & 237 \\139 & 82 & 238 \\125 & 84 & 203 \\140 & 82 & 270 \\140 & 82 & 270 \\140 & 78 & 218 \\135 & 87 & 270 \\140 & 70 & 241 \\100 & 56 & 102 \\105 & 81 & 271\\\hline\end{array}$

• A) 158
• B) 134
• C) 153
• D) 146

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