Examlex
The probability density function for the exponential distribution is bell-shaped and symmetrical around the mean λ.
Interquartile Range
The difference between the 75th and 25th percentiles of a dataset, a measure of statistical dispersion.
Ordered Array
An arrangement of elements in a sequence where they are sorted in ascending or descending order.
Quartiles
Divisions of a data set into four equal parts, representing the distribution of values within the data set.
Sample Z-score
A measure indicating the number of standard deviations a data point is from the mean of its sample.
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