Range and quartile deviation

Range and quartile deviation

Bachelor of Business Studies (BBS) — First Year

Subject: Business Statistics (MGT 202)

Unit 4: Measures of Dispersion

Academic Year: 2083/84

Topic Objectives

After studying this topic, students should be able to:

• Explain the scope and key elements of range and quartile deviation.
• Select suitable statistical procedures, carry out calculations and interpret business results.

Curriculum Scope

• Range
• Quartile deviation

Detailed Microsyllabus

1. Range

   1. Largest minus smallest observation.
   2. Coefficient of range as a relative measure.
   3. Sensitivity to extreme observations.

2. Quartile deviation

   1. Interquartile spread and semi-interquartile range.
   2. Coefficient of quartile deviation.
   3. Interpret middle-half variation and limitations of the measure.

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Curriculum reference: Tribhuvan University, Faculty of Management, BBS curriculum with first-year syllabus, PDF pages 14-16.

Source note: The curriculum scope above is retained from the existing TU syllabus breakdown. The numbered study subtopics are editorial elaborations for teaching and study, rather than a separately issued TU syllabus. Unit lecture hours apply to the whole unit; no separate topic hours or marks are assigned here.