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Work out the values of parameters of the relationship shown in the Figure (i.e. work out the equation of the relationship).

Work out the values of parameters of the relationship shown in the Figure (i.e. work out the equation of the relationship).

MATLAB: An Introduction with Applications
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 4

The below data represent the advertising expenditure and sales of Little Liu Ltd from year 2008 to 2017.

 

Table: Advertising Expenditure vs. Sales from 2008 to 2017

 

Year

Advert. Expenditure

Sales
 

(x, £000)

(y, £000)

2008

8

30

2009

12

40

2010

11

29

2011

5

29

2012

14

43

2013

3

17

2014

6

20

2015

8

30

2016

4

22

2017

9

40

Total

80

300

 

Figure: Scatter Diagram of Advertising Expenditure and Sales with Trend line

 

 

 

  1. Work out the values of parameters of the relationship shown in the Figure (i.e. work out the equation of the relationship).
Figure: Scatter Diagram of Advertising Expenditure and Sales with Trend line 50 45 43 40 4아 40 35 30 30 29 29 25 22 20 20 17 15 10 5 4 10 14 16 Advertising Expenditure £000 Sales £000
Transcribed Image Text:Figure: Scatter Diagram of Advertising Expenditure and Sales with Trend line 50 45 43 40 4아 40 35 30 30 29 29 25 22 20 20 17 15 10 5 4 10 14 16 Advertising Expenditure £000 Sales £000
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