correlation coefficient


Definition of correlation coefficient

: a number or function that indicates the degree of correlation between two sets of data or between two random variables and that is equal to their covariance divided by the product of their standard deviations

Examples of correlation coefficient in a Sentence

Recent Examples on the Web The 90-day correlation coefficient of the coin and a basket of non-profitable tech stocks now stands above 0.60, the highest such reading on record. Vildana Hajric, Fortune, 18 Apr. 2022 Bitcoin has, as of late, sung the tune of the stock market, with the 100-day correlation coefficient of the coin and the S&P 500 now standing at 0.44. Emily Graffeo, Fortune, 7 Jan. 2022 That’s a lot to risk on a 0.14 correlation coefficient. Brad Federman, Forbes, 15 June 2021 The table below shows the correlation coefficient between Biden’s support and the share of people in a county reporting certain ancestries—only those reported by at least 2 million people are included. Dan Kopf, Quartz, 19 Nov. 2020 This time, the correlation coefficient between the actual ranking and prediction maintained accuracy up to about four months into the future. Billboard Japan, Billboard, 28 Sep. 2020 By examining dual polarized radar images, correlation coefficient values produced for returning echoes can be applied to separate biological phenomena from the meteorological. Rick Steelhammer,, 22 Sep. 2019 The correlation coefficient between the Chinese currency and the region’s stocks rose to 47 percent this week. Washington Post, 19 Sep. 2019 Super-resolution reflectivity and velocity are the must-haves in a radar app, but RadarScope doubles down with the addition of dual-pol products (correlation coefficient, differential reflectivity and more). Angela Fritz, Washington Post, 19 Dec. 2017 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'correlation coefficient.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of correlation coefficient

1895, in the meaning defined above

Learn More About correlation coefficient

Time Traveler for correlation coefficient

Time Traveler

The first known use of correlation coefficient was in 1895

See more words from the same year

Dictionary Entries Near correlation coefficient


correlation coefficient

correlation curve

See More Nearby Entries 

Statistics for correlation coefficient

Last Updated

13 May 2022

Cite this Entry

“Correlation coefficient.” Dictionary, Merriam-Webster, Accessed 17 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More from Merriam-Webster on correlation coefficient Encyclopedia article about correlation coefficient


Test Your Vocabulary

Eponyms: Words Named After People

Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!