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=gestutztmittel(a1:a50; 0,1) berechnet den mittelwert der zahlen in a1:a50, ohne die 5 prozent niedrigsten und die 5% höchsten werte zu berücksichtigen.
=trimmean(a1:a50; 0,1) calculates the mean value of numbers in a1:a50, without taking into consideration the 5 percent of the values representing the highest values and the 5 percent of the values representing the lowest ones.