export function relativeFrequency(numbers: number[]): Record<string, number> {
  const frequencyOfNumbers = {}
  const maxLength = numbers.length
  let result = {}

  for (const num of numbers) {
    frequencyOfNumbers[num] = (frequencyOfNumbers[num] ?? 0) + 1
  }

  for (const num in frequencyOfNumbers) {
    const value = frequencyOfNumbers[num] / maxLength
    result[num] = Math.round(value * 10000) / 10000
  }

  return result
}