confidence interval
/ˈkɒnfɪdəns ˌɪntərvəl/
a range of values likely to contain the true population parameter
confidence interval in a sentence
“The 95% confidence interval for the mean is 45 to 55.”
Origin of confidence interval
Latin confidere to trust + interval
Related Words
significance
the quality of being statistically unlikely to occur by chance
power
the probability of correctly rejecting a false null hypothesis
type I error
incorrectly rejecting a true null hypothesis (false positive)
type II error
failing to reject a false null hypothesis (false negative)
sample
a subset of a population selected for analysis
bias
systematic error that skews results in a particular direction