Answered: Bighorn sheep are found in the…

Name: Bighorn sheep are found in the mountainous western United States. In
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Description: Bighorn sheep are found in the mountainous western United States. In the following data, x = the age of bighorn sheep in years and y = the percentage of that age group that die during the course of a year (mortality rate). In the table below, when

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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Bighorn sheep are found in the mountainous western United States. In the following data, x = the age of bighorn sheep in years and y = the percentage of that age group that die during the course of a year (mortality rate). In the table below, when x = 5, y = 20 meaning that 20% of the sheep aged between 5 and 6 years old die. A random sample of sheep provided the following information:

x	1	2	3	4	5
y	14	18.9	14.4	19.6	20

∑ x = 15 ; ∑ y = 86.9 ; ∑ x 2 = 55 ; ∑ y 2 = 1544.73 ; ∑ x y = 273.4

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Step 1

$\bar{y}$ is calculated as:

$\begin{array}{rcl} \bar{y} & = & \frac{\sum y}{n} \\ = & \frac{86.9}{5} \\ = & 17.38 \end{array}$

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