Interpret the Statistical graph given below:-
Scatter Diagram /Dot diagram - Used in depiction of correlation (Relation B/W two quantitative variable) Positive correlation : 0 > r > +1 (+1 is perfectly positive/ strong correlation) Negative correlation: -1 < r < 0 (-1 is perfectly negative correlation) No correlation r = 0 EXTRA EDGE: - Pearson product-moment correlation is used for ratio/interval scale data - Spearman rank-order correlation is used forordinal scale data
Positive correlation
Negative correlation
Absent correlation
Spurious correlation
Statistical Graphs, Correlation, Locations