a) Calculate the sample mean and sample standard deviation for both the "Unemployment Rate" and "Crime Rate per Thousand Population" variables.
a) Calculate the sample mean and sample standard deviation for both the "Unemployment Rate" and "Crime Rate per Thousand Population" variables.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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How can I work out question 3 (b)?

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17:43
3 of 3
Question 3
Region
North
FIN303 Class Test Revision(1).pdf
Page 2 of 6
Table 1: Unemployment and Crime in a Sample of 8 U.K. Regions
Yorkshire and The Humber
Midlands
London
South
Wales
Scotland
Northern Ireland
Unemployment
Rate (%)
4.39
3.78
4.42
5.11
3.20
2.66
4.34
2.35
96
101
78
95
70
79
45
59
(Source: data extract and modified from Statista, 2020)
Crime Rate per Thousand
Population
Table 1 shows a sample of 8 U.K. regions in 2020. In theory, we would expect crime rate
to be higher in regions where a greater percentage of the population was unemployed.
a) Calculate the sample mean and sample standard deviation for both the "Unemployment Rate"
and "Crime Rate per Thousand Population" variables.
b) Use the information in Table 1 to estimate and interpret the intercept and slope coefficients
of a bivariate linear regression model of crime rate per thousand population on
unemployment rates:
CrimeRate; Bo + B₁ UnemploymentRate; + εi
c) Calculate the residual sum of squares (RSS) and total sum of squares (TSS) from the estimated
model in b).
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