Answered: Given are five observations for two…

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

Given are five observations for two variables, and .

	1	2	3	4	5
	4	5	5	11	13

a. Which of the following scatter diagrams accurately represents the data?

1.

2.

3.

- Select your answer -Scatter diagram #1Scatter diagram #2Scatter diagram #3Item 1

b. What does the scatter diagram indicate about the relationship between the two variables?
- Select your answer -There appears to be a linear relationship between x and yThere appears to be a nonlinear relationship between x and yItem 2

c. Try to approximate the relationship between and by drawing a straight line through the data.

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d. Develop the estimated regression equation by computing the values of  and  (to 1 decimals).
  +

e. Use the estimated regression equation to predict the value of  when  (to 1 decimals).

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