Annual income

The annual income (in thousands of $) of fifteen families is 60, 80, 90, 96, 120, 150, 200, 360, 480, 520, 1060, 1200, 1450, 2500, 7200. Calculate the harmonic and geometric mean.

Correct answer:

h =  186.3727
g =  377.2091

Step-by-step explanation:

s0=1/60+1/80+1/90+1/96+1/120+1/150+1/200+1/360+1/480+1/520+1/1060+1/1200+1/1450+1/2500+1/72000.0805 h=15/s0=15/0.0805=186.3727
s1=60 80 90 96 120 150 200 360 480 520 1060 1200 1450 2500 7200=4.45381507641511038  g=s11/15=4.4538150764151103815=377.2091



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