Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) General Knowledge Geography (World Geography) Mapping
Which of the following statements is NOT true about Pearson's product-moment correlation coefficient 'r'?
1
'r' is simply a measure of the degree to which the two variables vary together.
2
'r' is a non-parametric measure of the relationship between the two variables measured on nominal and ordinal scale.
3
The value of 'r' lies between -1.0 and +1.0.
4
'r' value is liable to spurious high if outliers are present in the data.