<?php
$bil = array(9, 2, 10, 3, 7, 5, 2, 9, 1, 8, 2, 8, 2, 3, 9, 8, 7, 9, 5, 5);
$i = 0;
echo "Data aslinya<br>";
while(list($indeks,$nilai)=each($bil))
{
echo "$nilai ";
$i=$i+1;
}
echo "<br>";

for ($i=0; $i<=count($bil)-1; $i++)
{
$bilangan[$i]=$bil[$i];
$jumlah=$jumlah+$bilangan[$i];
}
echo "Rata-rata nya "." = ".$jumlah/count($bil);

?>