IGNOU MCS 66 2026 2027 - A researcher collects information on the following variables from 200

Question

A researcher collects information on the following variables from 200 university students: (2 Marks)
 Gender
 Academic programme
 Annual family income
 Student satisfaction level (Very Low to Very High)
 CGPA
Identify the appropriate measurement scale (nominal, ordinal, interval or ratio) for each variable. Also,
explain the importance of selecting the correct measurement scale during statistical analysis.

03 Aug 2026

Answer :

Word Count : 554

Gender is measured on the nominal scale because it consists of categories used only for identification or classification. The categories have no inherent numerical order. For example, students may be classified into categories such as male, female, or other. The numbers assigned to these categories, if any, are merely labels and do not represent quantity or magnitude. Therefore, gender is a nominal variable. Academic programme is also measured on the nominal scale. Students may belong to programmes such as B.A., B.Sc., B.Com., B.Tech., M.A., or M.Sc. These categories identify different groups, but there is no meaningful ranking among them. Hence, academic programme is a nominal variable. Annual family income is measured on the ratio scale. Income has a meaningful numerical value, equal intervals, and a true zero. For example, an annual income of ₹6,00,000 is twice an income of ₹3,00,000, making meaningful ratio comparisons

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