10. Scale of Measurement psikometri Nominal Ordinal Interval Ratio Difference ☺ ☺ ☺ ☺ Order X ☺ ☺ ☺ Distance X X ☺ ☺ Unique Origin X X X ☺ Measure of central tendency Modus Median Mean Mean

11. Contoh psikometri Skala Contoh Atribut Contoh Angka Nominal Kode jenis kelamin Kode Lokasi No Punggung LK = 1, Pr =2 Padang = 1 Pariaman = 2 BKT = 3 Maradona = 9 Becham = 10 Olga =11 Ordinal Rangking Kelas Status ekonomi 1, 2, 3 1 = Kaya 2 = Menengah 3 = Miskin Interval Angka Derajat Suhu tubuh Angka IQ 36 derajat 110 Ratio Jarak tempuh Belanja perminggu penghasilan 56 km 500 ribu rupiah 300 ribu rupiah