Examlex
Using the standard normal curve, the z-score representing the 95th percentile is 1.645.
Confidence Interval
A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter with a specified level of confidence.
Margin Error
The amount of error that one can expect in an estimate, often expressed as a plus-or-minus figure and used in statistical analysis to indicate confidence in results.
Confidence Level
The probability percentage that specifies how reliable a confidence interval is in statistical analysis.
Normal Distribution
A symmetric probability distribution characterized by a bell-shaped curve, where the mean, median, and mode of the distribution are equal.
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