sample
/ˈsæmpəɫ/
a subset of a population selected for analysis
sample in a sentence
“A random sample of 1000 voters was surveyed.”
Origin of sample
Old French essample, from Latin exemplum example
Related Words
bias
systematic error that skews results in a particular direction
hypothesis testing
a procedure for deciding between competing claims about a population
null hypothesis
the default assumption that there is no effect or difference
p-value
the probability of observing results as extreme as the data, assuming the null hypothesis
confidence interval
a range of values likely to contain the true population parameter
significance
the quality of being statistically unlikely to occur by chance