What is another word for index number?
Pronunciation: [ˈɪndɛks nˈʌmbə] (IPA) 
Index number is a term commonly used in statistical analysis to describe a measure of change over time or a comparison between different variables. There are a number of synonymous phrases that can be used to describe an index number, including price index, cost-of-living index, and inflation index. These terms all refer to a numerical representation of changes in price levels or other economic factors over a specific period of time. Other synonyms for index number might include benchmark, gauge, or measure. Regardless of the terminology used, index numbers are an important tool for understanding and comparing economic trends and patterns.
