Mathematics, 10.12.2019 01:31 mrstealyogirl40
Alocal trucking company fitted a regression to relate the travel time (days) of its shipments as a function of the distance traveled (miles). the fitted regression is time = -7.126 + .0214 distance, based on a sample of 20 shipments. the estimated standard error of the slope is 0.0053. find the critical values for a two-tailed test to see if the slope is different from 0, using α = 0.10.
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Mathematics, 21.06.2019 22:30
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Mathematics, 22.06.2019 00:20
Data for the height of a model rocket launch in the air over time are shown in the table. darryl predicted that the height of the rocket at 8 seconds would be about 93 meters. did darryl make a good prediction? yes, the data are best modeled by a quadratic function. the value of the function at 8 seconds is about 93 meters. yes, the data are best modeled by a linear function. the first differences are constant, so about 93 meters at 8 seconds is reasonable. no, the data are exponential. a better prediction is 150 meters. no, the data are best modeled by a cubic function. a better prediction is 100 meters.
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Alocal trucking company fitted a regression to relate the travel time (days) of its shipments as a f...
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