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The accompanying data show the South African population versus expenditure on new construction works by the public sector. Data was obtained from Statistics South Africa for the period between 2014 to 2017. Using the tables below, determine the intercept (rounded off to four decimals) . Year S.A. Population (per million) (x) Expenditure on new construction (per million) (y) 2014 44.15 17.40 2015 44.70 21.19 2016 45.26 22.25 2017 44.58 18.98   SSxy = 2.8074 SSx = 0.6275 SSy = 14.2709  = 44.6725  = 19.955 b = 4.4739

The accompanying data show the South African population versus expenditure on new construction works by the public sector. Data was obtained from Statistics South Africa for the period between 2014 to 2017. Using the tables below, determine the intercept (rounded off to four decimals) . Year S.A. Population (per million) (x) Expenditure on new construction (per million) (y) 2014 44.15 17.40 2015 44.70 21.19 2016 45.26 22.25 2017 44.58 18.98   SSxy = 2.8074 SSx = 0.6275 SSy = 14.2709  = 44.6725  = 19.955 b = 4.4739

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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The accompanying data show the South African population versus expenditure on new construction works by the public sector. Data was obtained from Statistics South Africa for the period between 2014 to 2017. Using the tables below, determine the intercept (rounded off to four decimals) .

Year

S.A. Population

(per million)

(x)

Expenditure on new construction

(per million)

(y)

2014

44.15

17.40

2015

44.70

21.19

2016

45.26

22.25

2017

44.58

18.98

 

SSxy = 2.8074

SSx = 0.6275

SSy = 14.2709

 = 44.6725

 = 19.955

b = 4.4739

 
Expert Solution
Step 1

Given:

Sample size n = 4

b = 4.4739

Formula Used:

a = ∑Y-b∑Xn

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