Question

what is index number measure​

Answer 1

Step-by-step explanation:

Index numbers are a simple way of making it easier to compare numbers over a period of time. Index numbers measure relative changes in the price of a sum of representative data.

I hope my answer helps you.

Answer 2

Answer:

An index number is the measure of change in a variable (or group of variables) over time. ... Index numbers are one of the most used statistical tools in economics. Index numbers are not directly measurable, but represent general, relative changes. They are typically expressed as percents.

please Mark's as brainliest