Answered: nservationists have despaired over the…

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

Conservationists have despaired over the destruction of the tropical rain forest by logging, clearing, and burning." These words begin a report on a statistical study of the effects of logging in Borneo. Here are data on the number of tree species in 12 unlogged forest plots and 9 similar plots logged 8 years earlier:

Assume equal population variances. At .05 level of significance, does logging significantly reduce the mean number of species in a plot after 8 years?

Unlogged
22
18
22
20
15
21
13
13
19
13
19
15
Logged
17
4
18
14
18
15
10
12
15

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