Essay
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.
-Interpret the slope of the least squares regression line, in the context of the situation.
Correct Answer:

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