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THE DATA SHOW THE TIME INTERVALS AFTER AN ERUPTION (TO THE NEXT ERUPTION) OF A CERTAIN GEYSER

THE DATA SHOW THE TIME INTERVALS AFTER AN ERUPTION (TO THE NEXT ERUPTION) OF A CERTAIN GEYSER

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Author: Christine Farr
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The data show the time intervals after an eruption (to the next eruption) of a certain geyser. Find the regression equation, letting the first variable be the independent (x) variable.    Find the best predicted time of the interval after an eruption given that the current eruption has a height of 9292 feet. Use a significance level of 0.05. 
Height (ft)               70      73    104     122     74    107     76    97
Interval after (min)  69    62  82     91      71     84    68     75
 
What is the regression equation? Round to two decimals       ^y=      +       x
What is the best predicted time for the interval after an eruption that is 92 feet high?feet high


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