Five-number summaries and box plots

Five-number summaries and box plots

Bachelor of Business Studies (BBS) — First Year

Subject: Business Statistics (MGT 202)

Unit 5: Skewness, Kurtosis and Moments

Academic Year: 2083/84

Topic Objectives

After studying this topic, students should be able to:

• Explain the scope and key elements of five-number summaries and box plots.
• Select suitable statistical procedures, carry out calculations and interpret business results.

Curriculum Scope

• Five-number summary
• Box-whisker plot

Detailed Microsyllabus

1. Five-number summary

   1. Minimum, first quartile, median, third quartile and maximum.
   2. Arrange observations and locate quartiles consistently.
   3. Summarize position and spread.

2. Box-plot analysis

   1. Construct a box and whiskers from the chosen convention.
   2. Use the interquartile range to examine unusual observations.
   3. Compare distributions while stating how whiskers and outliers are defined.

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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.