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Problem: Geometric mean {{10-20,20-30,30-40,40-50,50-60},{5,18,42,27,8}} [ Calculator, Method and examples ]

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Your problem -> Geometric mean {{10-20,20-30,30-40,40-50,50-60},{5,18,42,27,8}}

Geometric mean :
 Class Mid value (x)(2) f flog(x) 10 - 20 15 5 13.5403 20 - 30 25 18 57.9398 30 - 40 35 42 149.3246 40 - 50 45 27 102.7799 50 - 60 55 8 32.0587 --- --- --- --- -- -- n=100 sum flog(x)=355.6432

GM of X = Antilog((sum flog(x))/n)

= Antilog((355.6432)/(100))

= Antilog(3.5564)

= 35.038

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