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# Use the following to answer the questions below:A biologist collected data on a sample of 20 ...

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Use the following to answer the questions below:

A biologist collected data on a sample of 20 porcupines. She wants to be able to predict the body mass of a porcupine (in grams) based on the length of the porcupine (in cm).
Her least squares regression equation is   where M is the mass.

One of the porcupines in the dataset had a body length of 51 cm and a body mass of 5,281 g. Calculate the residual for this porcupine. Use one decimal place in your calculation.

▸ 585.6 g.

▸ -451.5 g.

▸ 451.5 g.

▸ -585.6 g.
Textbook

## Statistics: Unlocking the Power of Data

Edition: 3rd
Authors:
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desai.sumeet1desai.sumeet1
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