Sample mean and covariance
id:
sample-mean-and-covariance-247-15286913
title:
Sample mean and covariance
text:
The sample mean or empirical mean, and the sample covariance or empirical covariance are statistics computed from a sample of data on one or more random variables. The sample mean is the average value of a sample of numbers taken from a larger population of numbers, where "population" indicates not number of people but the entirety of relevant data, whether collected or not. A sample of 40 companies' sales from the Fortune 500 might be used for convenience instead of looking at the population, a
brand slug:
wiki
category slug:
encyclopedia
description:
Statistics computed from a sample of data
original url:
https://en.wikipedia.org/wiki/Sample_mean_and_covariance
date created:
date modified:
2024-03-20T10:24:15Z
main entity:
{"identifier":"Q2348165","url":"https://www.wikidata.org/entity/Q2348165"}
image:
fields total:
13
integrity:
14