Question: Find the regression equation; unless the problem suggests otherwise, let the first variable be the independent (x) variable. Caution: When finding predicted values, be sure

Find the regression equation; unless the problem suggests otherwise, let the first variable be the independent (x) variable. Caution: When finding predicted values, be sure to follow the prediction procedure described in this section.
Refer to Data Set 16 in Appendix B.
a. Use the paired duration and interval data for eruptions of the Old Faithful geyser. What is the best predicted time before the next eruption if the previous eruption lasted for 210 seconds?
b. Use the paired height and interval data for eruptions of the Old Faithful geyser. What is the best predicted time before the next eruption if the previous eruption had a height of 275 ft?
c. Which predicted time is more reliable, the result from part (a) or the result from part (b)? Why?

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