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Published byShauna Casey Modified over 9 years ago
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correlation iNZight gives r
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POSITIVE linear correlation r=1 "Perfect" 0.9<r<1 "Strong" 0.7<r<0.9 "Significant" 0.5<r<0.7 “Moderate“ 0.3<r<0.5 "Weak” 0<r<0.3 "Not significant”
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NEGATIVE linear correlation r=-1 "Perfect" -0.9<r<-1 "Strong" -0.7<r<-0.9 "Significant" -0.5<r<-0.7 “Moderate“ -0.3<r<-0.5 "Weak” 0<r<-0.3 "Not significant”
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LINKS TO HELP http://www.bbc.co.uk/schools/gcsebitesize/maths/statistics/scatterdiagramsact.shtml http://maths.nayland.school.nz/Year_13_Maths/3.9_Bivariate_data/7_Corr_Coefficient_r.html
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REMEMBER STATE THE OBVIOUS POSITIVE OR NEGATIVE INCREASING OR DECREASING RELATIONSHIP OR NO RELATIONSHIP LINEAR EG: strong positive linear relationship EG: as x increases, y increases…
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