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Lesson 2 of 7 · Simple / grouped bar

Average

DI: Bar Graphs · for IPMAT Indore, IPMAT Rohtak and JIPMAT · asked in JIPMAT 2025

The exam method

  1. Totals, not averages. compare sums when the divisor is the same.

Worked examples

Example 1Sitter

Boys in a school: 200, 310, 280, 350 in 2010-2013. What is the average?

Formulas you need

Average=sum of barsnumber of bars\text{Average} = \dfrac{\text{sum of bars}}{\text{number of bars}}

Picked from the Simple / grouped bar note for this micro-concept automatically. The whole note: Simple / grouped bar.