sample size
Participants in research
Sample size is the number of individual observations or data points collected in a study or survey.
A larger sample size generally yields more reliable results: With a sample size of only twelve, the findings weren't statistically significant.
Researchers must balance precision against practical constraints like time and cost when determining sample size.
- varianceSpread around the mean
- meanAverage, or spiteful
- confidence intervalEstimated bounds for population parameter
- data collectionSystematic accumulation of facts
- standard deviationSpread around the mean
large enough · underpowered · type II error · survey · margin of error · randomization · replication · research design · null hypothesis · attrition · adequacy · representativeness · control group · clinical trial · p-value · statistical significance · trials · respondents
- research samplessurvey data, control groups, data points, respondents, participants
- samplingsubsampling, resampling
- Datadata points, datasets, data tables, database, databases
- researchstudy, research papers, researching, archive, peer review
- bridal shopwedding dress, wedding gowns, bridal gown, bridesmaid dress, flower girl dress
- experimentsexperiment, experiments, test, tests, trials
sample sizepopulation
All inhabitants combined
census · universe · population size · universal coverage · N
size, sample, sized, samples, sampling, downsize, downsizing, sizing, sampled