Match List-I (Scale of measurement) with List-II (Example of variable) and choose the correct answer from the options given below.
List I
i.Nominal
ii.Ordinal
iii.Interval
iv.Ratio
List II
a.Weight of students
b.Ethnicity
c.Degree of suffering
d.Date of birth
Ai-b, ii-c, iii-d, iv-a ✓ Correct
Bi-a, ii-b, iii-c, iv-d
Ci-c, ii-d, iii-a, iv-b
Di-d, ii-a, iii-b, iv-c
Correct answer: (A) i-b, ii-c, iii-d, iv-a
Explanation
Nominal pairs with ethnicity, ordinal with degree of suffering, interval with date of birth, and ratio with weight of students.
Ethnicity names unordered categories, so it is nominal.
Degree of suffering ranks intensity without equal gaps, so it is ordinal.
Date of birth has equal intervals but an arbitrary zero, so it is interval.
Weight has a true zero, so ratios of weight are meaningful.
Ratio scales alone permit statements such as twice as heavy.
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