x = [2.1, 2.4, 2.8, 3.1, 4.2, 4.9, 5.1, 6.0, 6.4, 7.3,
     10.8, 12.5, 13.0, 13.7, 14.8, 17.6, 19.6, 23.0, 25.0, 35.2, 39.6]

#median
n = len(x)
x_sorted = sorted(x)
if n % 2 == 1:
    median = x_sorted[n // 2]
else:
    median = (x_sorted[n // 2 - 1] + x_sorted[n // 2]) / 2

print("median"+str(median))

#mean
mean = sum(x) / n
print("Mittelwert"+str(mean))

#standard deviation
variance = sum((xi - mean) ** 2 for xi in x) / n
std_dev = variance ** 0.5
print("Standardabweichung"+str(std_dev))


#korrigierte Standardabweichung
corrected_variance = sum((xi - mean) ** 2 for xi in x)
corrected_std_dev = (corrected_variance / (n - 1)) ** 0.5

print("korrigierte Standardabweichung"+str(corrected_std_dev))