PhpSpreadsheet/tests/data/Calculation/Statistical/STDEV.php

<?php

return [
    [
        27.463915719843,
        [1345, 1301, 1368, 1322, 1310, 1370, 1318, 1350, 1303, 1299],
    ],
    [
        '#DIV/0!',
        ['A', 'B', 'C'],
    ],
    [
        '#DIV/0!',
        [true, false],
    ],
    [
        '#DIV/0!',
        [true, false, 1],
    ],
];