index number

noun

, Statistics.

1. a quantity whose variation over a period of time measures the change in some phenomenon.

index number

noun

1. statistics a statistic indicating the relative change occurring in each successive period of time in the price, volume, or value of a commodity or in a general economic variable, such as the price level, national income, or gross output, with reference to a previous base period conventionally given the number 100

Word History and Origins

Origin of index number¹

First recorded in 1870–75

Example Sentences

VTS produces a quarterly index number that gauges the interest among companies for new office space in seven major markets.

From Seattle Times

But you could also make the case that Seattle actually outpaced Wenatchee in cost-of-living increases if you look at the change in the RPP index number itself, instead of using the BEA data to look at the change in rankings, as Bloomberg did.

From Seattle Times

Sterling found some support overnight after Britain's composite Purchasing Managers Index number managed to stay in growth territory, though it hasn't really pierced investors' gloom over British or Europe's outlook.

From Reuters

Seattle’s BBQ Index number came out at a whopping 150.2, which means those four meats are will cost you 50.2% more here than the average cost for the 258 cities in the survey.

From Seattle Times

The index compares the cost of each of these meats locally with the survey average, and combines the four to arrive at an index number.

From Seattle Times