FromSassampleSof n = 15 readingsSon X = TrafficSVolumeS(carsSperShourS) Sand Y = Carbon Monoxide Concentrations (PPM)$ taken$ at$ certain$ metropolitans air$ qualitys samplingSsites,SweShaveStheseSstatistics$(seeSthe image$below$). TestSwhetherSthereSissa SsignificantSrelationshipSbetweenStheSvariablesSatsa 50% levelSof$significances. Σx = 3,550 Еу %3D 167.8 Ex 974, 450 y = 1,915. 36 E xy = 41, 945 What is the degrees of freedom?

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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FromSasampleSof n = 15 readingsSon X = Traffic$Volume$(carsSperShour$) Sand Y =
Carbon Monoxide ConcentrationS (PPM)S taken$ at$ certains metropolitan$ airs qualitys
samplingSsites, SweShaveSthese$statistics$(seeSthe imageSbelow$). Test$whetherSthereSis$a
$significantSrelationshipSbetweenSthe$variablesSatsa 50% levelSof$significances.
Σx= 3,550
Σy
167. 8
%3D
Ex =
ΣχΞ
974, 450
Iy =
Σν
= 1,915. 36
E xy = 41, 945
What is the degrees of freedom?
Transcribed Image Text:FromSasampleSof n = 15 readingsSon X = Traffic$Volume$(carsSperShour$) Sand Y = Carbon Monoxide ConcentrationS (PPM)S taken$ at$ certains metropolitan$ airs qualitys samplingSsites, SweShaveSthese$statistics$(seeSthe imageSbelow$). Test$whetherSthereSis$a $significantSrelationshipSbetweenSthe$variablesSatsa 50% levelSof$significances. Σx= 3,550 Σy 167. 8 %3D Ex = ΣχΞ 974, 450 Iy = Σν = 1,915. 36 E xy = 41, 945 What is the degrees of freedom?
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