function getArrStats(arr) {
    let sum = 0
    let minimum = arr[0]
    let maximum = arr[0]

    for (let i = 0; i < arr.length; i++) {
        sum = sum + arr[i]

        if(minimum > arr[i]) {
            minimum = arr[i]
        }
        if (maximum < arr[i]) {
            maximum = arr[i]
        }
    }

    const avg = sum / arr.length
    return {
        min: minimum,
        max: maximum,
        avg: avg
    }
}