sample

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Related to stratified random sample: sampling techniques, cluster sample

sample

[′sam·pəl]
(science and technology)
Representative fraction of material tested or analyzed in order to determine the nature, composition, and percentage of specified constituents, and possibly their reactivity.
(statistics)
A selection of a certain collection from a larger collection.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

sample

A small specimen of material, or a single unit of many such items to be furnished, which is in conformity with the requirements for the specifications; furnished for review and approval; establishes standards by which work will be judged.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

sample

(digital signal processing)
The result of measuring the amplitude of an analog signal at a specified time. In digital signal processing a sample is a signed or unsigned number and the number of samples per second is called the sample rate.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)
References in periodicals archive ?
Consider the apartment sample referred to in the earlier discussion of stratified random samples. If there were no available sample frame, you could draw a sample by randomly selecting geographic clusters (e.g., census tracts) within the study area, identifying all of the apartments within each selected cluster, and randomly selecting a sample from the identified apartments in each cluster.
To me the stratified random sample demands that there be exactly 50 women and 200 men.
Stratified random sample - A type of probability sampling in which the sample is divided into subgroups.
A stratified random sample from ANNA regions might have better represented the opinions of nephrology nurses throughout the country.
The survey, conducted by an independent research firm, included responses from over 150 CFOs from a stratified random sample of Canadian companies with more than 20 employees.
To perform this study, a stratified random sample of two targeted lab professions - medical technologist and medical lab technician - was used.
The national poll gathered responses from 1,400 CFOs from a stratified random sample of companies with more than 20 employees.
(7.) The complexity involved in calculating standard errors for a stratified random sample prevented such calculations at this preliminary stage of data processing.
In a use tax audit that involves the use of a computer-assisted sample or stratified random sample, does the Department project the credit in instances where the taxpayer has self-assessed the tax in error, or does the Department consider the erroneous self-assessment as a "one-for-one" credit against the audit deficiency if the taxpayer requests a refund for the error?
An unobtrusive observational study was performed on a stratified random sample of adult and child in-line skaters in Oakland County, Michigan.
The occupational therapists, group was smaller than the physiotherapists' group so a stratified random sample of the physiotherapists was drawn to achieve two study groups of comparable size.
Subjects of this study comprise a stratified random sample of 174 SSAs from all the 15 administrative districts of North West Frontier Province (NWFP), Pakistan.