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confidence intervalsStatistical concept expressing the degree of confidence that, for instance, total losses will be below or above a given amount in any specified period, typically 1 year. The confidence level, or per [..]
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confidence intervalsA confidence interval for the difference between two means specifies a range of values within which the difference between the means of the two populations lies.
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confidence intervalsMeans for stating numerically the level of confidence about a result
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confidence intervalsA confidence interval is an interval on a scale (e.g., score scale, percent scale) that indicates where the true value (e.g., average, percentage) most likely is located. Because NAEP is a survey with [..]
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confidence intervalsA range of values for a variable of interest, e.g., a rate, constructed so that this range has a specified Probability of including the true value of the variable.
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confidence intervalsA range of values for a variable of interest, e.g., a rate, constructed so that this range has a specified probability of including the true value of the variable.
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confidence intervalsAll of the effect sizes produced by impact evaluations are estimates. Typically, confidence intervals provide the range of values that has a 95% probability of including the real effect size. The width of the confidence interval indicates the confidence we can place in a finding: the wider the interval, the less confidence we can have.
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confidence intervalsThe range around a survey percentage, plus or minus, that is likely to contain the population parameter (the correct answer).
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confidence intervalsA confidence interval (CI) is a computed interval with a given probability (calculated at 95% probability in this report) that a true value of a variable, such as a rate, mean or proportion, is contained within the interval. The confidence interval is the likely range of the true value.
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