An old man with hypeension and BP 210/110 mm Hg is classified into Severe hypeension. Scale used is

ORDINAL SCALEScale on which data is shown simply in order of magnitude, since there is no standard of measurement of differences - Categories are organized as a continuum - In the given question, If BP is measured as absolute quantified numbers (E.g. BP 210/110), it should be measured on Metric scale If BP is categorized as Mild-Moderate-Severe, it will become Ordinal scale