What is index number? Why we need to learn about index number? The earliest recorded calculation of index number was in 1750. There are varieties of index number with different calculation. Sometimes they are certain situation in our daily life, we use the concept of index number to interpret that situations.

Let’s watch this video to know further about index number.

Introduction about what is index number
Example on how to solve problem involving index number (Part 1)
Example on how to solve problem involving index number (Part 2)

After watching all videos, I hope all of us can understand and able to answer the questions involving index number.

Let’s try this question:

Thank you and all the best. Comment if you have any inquiry or suggestion.

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