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CUARTILES |
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Elaborado por: |
QUINALUISA TERESA |
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Año y paralelo: |
3G |
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Ejercicio 1. |
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Cálcule los cuartiles de los siguientes datos: |
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No.
De respuestas correctas en un examen |
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Peso en kg. De 12
personas |
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DATOS
(xi) |
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DATOS (xi) |
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1 |
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55 |
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3 |
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56 |
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4 |
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57 |
N = |
12 |
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6 |
N = |
13 |
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58 |
Q1 = |
57 |
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7 |
Q1 = |
5 |
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58 |
Q2 = Me = |
59,5 |
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9 |
Q2 = Me = |
10 |
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59 |
Q3 = |
63 |
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10 |
Q3 = |
14 |
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60 |
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10 |
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62 |
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12 |
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62 |
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13 |
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63 |
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15 |
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64 |
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17 |
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66 |
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19 |
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Ejercicio 2. |
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Cálcule los cuartiles de los siguientes datos utilizando la
fórmula: |
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Número de
hijos (xi) |
Número de
matrimonios (fi) |
Fi |
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xi |
fi |
Fi |
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1 |
1 |
1 |
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6,01 |
2 |
2 |
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2 |
2 |
3 |
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6,88 |
1 |
3 |
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3 |
4 |
7 |
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7,50 |
1 |
4 |
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4 |
3 |
10 |
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8,90 |
3 |
7 |
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5 |
7 |
17 |
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9,04 |
2 |
9 |
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6 |
5 |
22 |
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Total ( ∑ ) |
9 |
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7 |
6 |
28 |
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8 |
3 |
31 |
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9 |
1 |
32 |
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Total ( ∑ ) |
32 |
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N/4= |
8 |
Q1 = |
5 |
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N/4= |
2,25 |
Q1 = |
2,5 |
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2N/4 = N/2 = |
16 |
Q2 = Me = |
32 |
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2N/4 = N/2 = |
4,5 |
Q2 = Me = |
4 |
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3N/4= |
24 |
Q3 = |
29,5 |
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3N/4= |
6,75 |
Q3 = |
8 |
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