Mathematics, 21.12.2019 06:31 hopectrammell1
Suppose an ecologist collects data on the weights and basal trunk diameters of a randomly selected sample of felled trees. the ecologist fits a simple linear regression model, predicting tree weight from the trunk's cross-sectional area. after ensuring that all assumptions of the linear model are met, the ecologist computes a 95% confidence interval for the predicted mean weight of trees with a trunk cross-sectional area of 452 in? .
select the correct interpretation of this confidence interval.
a. the weight of another tree with a trunk cross-sectional area of 452 in- sampled at random from the same population will fall in the ecologist's interval with 95% probability.
b. the true mean weight for trees in the population with a trunk cross-sectional area of 452 in- will fall within the ecologist's interval with 95% probability.
c. the weight of 95% of trees in the population with a trunk cross-sectional area of 452 inwill fall within the ecologist's interval.
d. the ecologist's interval has a 95% chance of containing the true sample mean weight of trees with a trunk cross- sectional area of 452 in².
e. there is a 95% chance that the ecologist's interval contains the true mean weight of trees in the population with a trunk cross-sectional area of 452 in? .
Answers: 2
Mathematics, 21.06.2019 22:30
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Mathematics, 22.06.2019 01:10
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Mathematics, 22.06.2019 03:30
Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?
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Suppose an ecologist collects data on the weights and basal trunk diameters of a randomly selected s...
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