Answered: Island Size 12 |11 19 21 42 |13 23 28…

Island Size 12 |11 19 21 42 |13 23 28 |(hectares) Puffin Pop. 120 38 60 104 130 229 63 |111 132 Find the average population density and the variance in density among these islands. 21

Algebra and Trigonometry (6th Edition)

6th Edition

ISBN:9780134463216

Author:Robert F. Blitzer

Publisher:Robert F. Blitzer

ChapterP: Prerequisites: Fundamental Concepts Of Algebra

Section: Chapter Questions

Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...

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Question

4. Consider the following table of island sizes and their local population of puffins:28

Island Size
21
12
11
19
21
42
|13
23
28
(hectares)
Puffin Pop.
|120 38
60
104
130
229
63
111
132
Find the average population density and the variance in density among these islands.

Expert Solution

Step 1

Solution :

Island size(hectares)	Puffin population
21	120
12	38
11	60
19	104
21	130
42	229
13	63
23	111
28	132

Population density = Population/ Land area

SO population density for island 1 = 120/21 = 5.714 per hectares

Population density for island 2 = 38/12 = 3.166 per hectares

We can calculate population density for remaining island using same method.

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