const fisherMethod = (data1, data2) => {

const mean1 = calculateMean(data1);

const mean2 = calculateMean(data2);

const stdDev1 = calculateStandardDeviation(data1);

const stdDev2 = calculateStandardDeviation(data2);

const n1 = data1.length;

const n2 = data2.length;

const fValue = (mean1 - mean2) / Math.sqrt((stdDev1 ** 2 / n1) + (stdDev2 ** 2 / n2));

return fValue;

};

const calculateMean = (data) => {

let sum = 0;

for (let i = 0; i < data.length; i++) {

sum += data[i];

}

return sum / data.length;

};

const calculateStandardDeviation = (data) => {

const mean = calculateMean(data);

let sum = 0;

for (let i = 0; i < data.length; i++) {

sum += (data[i] - mean) ** 2;

}

return Math.sqrt(sum / data.length);

};

console.log(fisherMethod([1,2,3,4,5], [6,7,8,9,10])); // expected output: -1.732