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Name: An ecologist hypothesizes that birds with longer wing spans use wider
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Description: An ecologist hypothesizes that birds with longer wing spans use wider tree branches. The ecologist captured male birds, measured their wing span and other characteristics in millimeters, and then marked and released them. During the ensuing winter,

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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An ecologist hypothesizes that birds with longer wing spans use wider tree branches. The ecologist captured male birds, measured their wing span and other characteristics in millimeters, and then marked and released them. During the ensuing winter, the ecologist repeatedly observed the marked birds as they foraged for food on tree branches. He noted the branch diameter on each occasion, and calculated the average branch diameter for each bird in centimeters. The measurement data are below. What can the ecologist conclude with an α of 0.05

wing span	branch diameter
79.3 80.1 80.7 81.5 79.5 80.7 81.1 80.5 80.7	1.56 1.53 1.39 1.04 1.39 1.02 1.21 1.31 1.21

A) What is the appropriate statistic? Then Compute the statistic

B) Compute the appropriate test statistic(s) for H₁: ρ > 0

critical value =

test statistic=

C) Effect Size

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