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Stats: Data and Models | 4th Edition | ISBN: 9780321986498 | Authors: Richard D. De Veaux, Paul F. Velleman, David E. Bock
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Misinterpretations A Biology student who created a

Chapter 6, Problem 35E

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QUESTION:

Problem 35E

Misinterpretations A Biology student who created a regression model to use a bird’s Height when perched for predicting its Wingspan made these two statements. Assuming the calculations were done correctly, explain what is wrong with each interpretation.

a) My R2 of 93% shows that this linear model is appropriate.

b) A bird 10 inches tall will have a wingspan of 17 inches.

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QUESTION:

Problem 35E

Misinterpretations A Biology student who created a regression model to use a bird’s Height when perched for predicting its Wingspan made these two statements. Assuming the calculations were done correctly, explain what is wrong with each interpretation.

a) My R2 of 93% shows that this linear model is appropriate.

b) A bird 10 inches tall will have a wingspan of 17 inches.

ANSWER:

Step 1 of 2

A regression model to predict the wingspan of a bird from its height. The interpretations are:

a) My  of 93% shows that this linear model is appropriate.

b) A bird 10 inches tall will have a wingspan of 17 inches.

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