Find the equation of lest-square line

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Reference no: EM132007804

STATISTICS ASSIGNMENT - Regression and Correlation

Read Chapter 4 and Answer the following chapter review problem:

Problem - Desert Ecology: Wildlife

Bighorn sheep are beautiful wild animals found through-out the western United States. Data for this problem are based on information taken from the Desert Bighorn, edited by Monson and Sumner (University of Arizona Press). Let x be the age of a bighorn sheep (in years), and let y be the mortality rate (percent that die) in this age group. For example, x = 1, y = 14 means that 14% of the bighorn sheep between 1 and 2 years old died. A random sample of Arizona bighorn sheep gave the following information:

x

1

2

3

4

5

y

14

18.9

14.4

19.6

20.0

(a) Draw a scatter diagram.

(b) Find the equation of lest-square line.

(c) Find r. Find the coefficient of determination r2. Explain what these measures mean in the context of the problem.

Your paper will be evaluated on how well the issues were addressed, how well terminology from the text was used, and the writing style and organization.

Textbook - Understanding Basic Statistics by Brase & Brase, 3rd edition.

Chapter 4 -  Regression and Correlation.

Reference no: EM132007804

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