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I. The table below shows the age distribution of passengers in CEBUPAC Airline Company. Age X fx 18-26 27-35 5 36-44 9 45-53 14 54-62

I. The table below shows the age distribution of passengers in CEBUPAC Airline Company. Age X fx 18-26 27-35 5 36-44 9 45-53 14 54-62 11 63-71 6 72-80 2 n = Eff = Efx = Compute for the following measures: Efx' _ [20) 1. s' = 2. S =1 n - 1 n - 1

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