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import sum from "./sum.js";
/** * The mean, _also known as average_, * is the sum of all values over the number of values. * This is a [measure of central tendency](https://en.wikipedia.org/wiki/Central_tendency): * a method of finding a typical or central value of a set of numbers. * * This runs in `O(n)`, linear time, with respect to the length of the array. * * @param {Array<number>} x sample of one or more data points * @throws {Error} if the length of x is less than one * @returns {number} mean * @example * mean([0, 10]); // => 5 */function mean(x) {    if (x.length === 0) {        throw new Error("mean requires at least one data point");    }
    return sum(x) / x.length;}
export default mean;