Intervalo fi Fi hi(%) Hi (%) xifi
10 – 14 3 3 6,3% 6,3% 36
15 – 19 7 10 14,6% 20,8% 119
20 – 24 9 19 18,8% 39,6% 198
25 – 29 6 25 12,5% 52,1% 162
30 – 34 10 35 20,8% 72,9% 320
45 – 39 7 42 14,6% 87,5% 259
40 – 44 4 46 8,3% 95,8% 168
45 – 49 2 48 4,2% 100% 94
Total 48 100% 1356
Media = (µ) = ∑xifi/n
µ = 1356/48
µ = 28,25
Moda = Li + (∆1/∆1 + ∆2) .i
Moda= (Mo) = 30 + (4/4 + 3) x 4
Mo = 30 + 2,285
Mo = 32,285
Mediana = (Md) = Li + (n/2 – Fi-1 /fi) x i
Md = 25 + (24 -19/6) x 4
Md = 25 + 3,33
Md = 28,33
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Intervalo fi Fi hi(%) Hi (%) xifi
10 – 14 3 3 6,3% 6,3% 36
15 – 19 7 10 14,6% 20,8% 119
20 – 24 9 19 18,8% 39,6% 198
25 – 29 6 25 12,5% 52,1% 162
30 – 34 10 35 20,8% 72,9% 320
45 – 39 7 42 14,6% 87,5% 259
40 – 44 4 46 8,3% 95,8% 168
45 – 49 2 48 4,2% 100% 94
Total 48 100% 1356
Media = (µ) = ∑xifi/n
µ = 1356/48
µ = 28,25
Moda = Li + (∆1/∆1 + ∆2) .i
Moda= (Mo) = 30 + (4/4 + 3) x 4
Mo = 30 + 2,285
Mo = 32,285
Mediana = (Md) = Li + (n/2 – Fi-1 /fi) x i
Md = 25 + (24 -19/6) x 4
Md = 25 + 3,33
Md = 28,33