confidence interval


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Related to confidence interval: Confidence level

confidence interval

n. Statistics
A range of values that contains with a specified probability the true value of a given parameter.

confidence interval

n
(Statistics) statistics an interval of values bounded by confidence limits within which the true value of a population parameter is stated to lie with a specified probability
References in periodicals archive ?
38.2%, treatment difference: -28%, 95% confidence interval: -33.9, -22.1), sleep disorders and disturbances (14.0% vs.
The confidence interval of the standard deviation is also dependent on the sample size.
The solutions represented with confidence intervals, where exact objective values are unknown, are called solutions under uncertainty.
The student can specify any sample size and any confidence level and the system will construct and visualize the confidence interval. By varying the sample size and/or confidence level, they can see how the margin of error is changing.
When planning a multiple regression analysis, it is important to obtain a sample size that is large enough to provide an acceptably narrow confidence interval for important population parameters such as the squared multiple correlation, denoted here as [[rho].sup.2].
An approach to construct interval estimation of the fuzzy system reliability of RMSS which subsequently will be used in estimation of the fuzzy confidence interval of fuzzy system reliability is developed.
For the classification of genotypes treated in this work, see Figure (1) and by the confidence interval, our genotypes are classified into three groups: The first group is presented by the BIDI genotype is considered the best genotype with a average (7.36 cm).
The main aim of this work is to study the benefit of confidence interval comparison for two independent groups when the distributions are asymmetrical.
The confidence interval is used to support the reliability of this estimate.
In previous work [2], we established that the Normal confidence interval significantly undercovers the mean at moderate sample sizes.
When limiting the analysis to respondents aged 15-19 years who had sex during the interview month, highly effective contraceptive use did not change significantly from 1995 (48.1% [95% confidence interval = 42.8%-53.4%]) to 2006-2010 (51.8% [95% confidence interval = 45.6%-57.9%]).