Q.Explain the essential elements and objectives of an Ideal Classification.

An ideal classification should be unambiguous, exhaustive, mutually exclusive, flexible and suitable to the purpose/objective of the enquiry.

Essential elements of an ideal classification:

• Unambiguous — the classes should be clearly defined, not vague.
• Exhaustive — every observation must find a class to belong to (no item left out).
• Mutually exclusive — each item should belong to only ONE class, with no overlap.
• Stable yet flexible — able to accommodate future changes without a complete overhaul.
• Homogeneous — items within a class should be similar to each other with respect to the characteristic studied. …