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import { sampleVariance } from "./sample_variance.ts";
/** * The [sample standard deviation](http://en.wikipedia.org/wiki/Standard_deviation#Sample_standard_deviation) * is the square root of the sample variance. * * @param {number[]} x input array * @returns {number} sample standard deviation * @example * sampleStandardDeviation([2, 4, 4, 4, 5, 5, 7, 9]).toFixed(2); * // => '2.14' */export function sampleStandardDeviation(x: number[]): number {    // The standard deviation of no numbers is null    const sampleVarianceX = sampleVariance(x);    return Math.sqrt(sampleVarianceX);}