Results of a test were given as very satisfied, satisfied, dissatisfied, it representes
Scales can be: Qualitative: Categorical scales: Nominal : eg: names of countries . Dichotomous : eg: yes/no, presence/absence. Ordinal : severity of disease: mild/moderate/severe.eg: staging of cancer, kuppusamy socioeconomic class. Quantitative: Metric scales: Interval Ratio
Nominal scale
Ordinal scale
interval scale
Ratio scale
Biostatistics