import type { NumberArray } from 'cheminfo-types';
import type { XBoxPlotWithOutliers } from './xBoxPlotWithOutliers.ts';
export interface XDistributionStats extends XBoxPlotWithOutliers {
    mean: number;
    sd: number;
    nb: number;
}
/**
 * Calculate distribution statistics of an array without providing options
 * This ensure that the statistics are calculated in the same way in all the packages
 * If the array is empty it will throw an error
 * If the array has a length of 1, sd will be NaN (unbiased calculation of sd)
 * @param array - data
 * @param options
 * @returns - q1, median, q3, min, max
 */
export declare function xDistributionStats(array: NumberArray): XDistributionStats;
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