6.47 6.13 6.19 4.89 5.63 4.52 5.89 4.03 3.76 3.77 3.34 3.47 2.92 3.20
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Is the correlation about 0.02, 0.22, or 0.92 with the outlier?
Without this outlier, is the correlation about 0.18, 0.78, or 0.98?
Is the outlier is an influential point to the correlation?

Transcribed Image Text:Data from a British government survey of household spending may be used to examine the relationship between household spending on tobacco products and alcoholic beverages. Data show weekly spending on alcohol vs.
spending on tobacco in the 11 regions of Great Britain.
Region
North
Yorkshire
Northeast
East Midlands
West Midlands
East Anglia
Southeast
Southwest
Wales
Scotland
Northern Ireland
Alcohol
6.47
6.13
6.19
4.89
5.63
4.52
5.89
4.79
5.27
6.08
4.02
Tobacco
4.03
3.76
3.77
3.34
3.47
2.92
3.20
2.71
3.53
4.51
4.56
Expert Solution

Introduction
We know that correlation coefficient is statistical indicator of the degree of the association between the
relative movements of two variables.
correlation coefficient has range between -1 to 1.
We can calculate it as
Step by step
Solved in 2 steps with 1 images

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