Answered: You are analyzing the number of bird…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

You are analyzing the number of bird species found in each county of Massachusetts. You have one observation per county, corresponding to the total number of species observed there during the Christmas Bird Count (a national bird count organized mainly by volunteers every year on Christmas). Your predictor variables are: population, percent forested habitat, number of highways that cross the county.

What kind of model do you use to analyze these data?

For the above model, you think there may be a non-linear effect of forest habitat based on the number of highways that cross the county, as this may cause the habitat to be more fragmented. You do not think there are any other non-linear effects.

Assume "county" is a variable for which county the data comes from

Assume "highways" is the number of highways in the county

Assume "forest" is the percent of forested habitat

Assume "population" is the population of the county

Group of answer choices

# species ~ county + highways * forest + population

# species ~ county + highways + forest + population

# species ~ highways * forest + population

# species ~ highways * forest * population

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