Variables!!

TALLER DE MATEMATICAS-ESTADISTICA
1. Clientes visitados (1.1)

DATOS: 10-20-25-25-25-26-28-30-30-30-30-30-30-32-35-35-35-35-35-38-40-40-40-40.

INTERVALOS | FI | FA |
10--15 | 1 | 1 |16--21 | 1 | 2 |
22--27 | 4 | 6 |
28--33 | 8 | 14 |
34--39 | 6 | 20 |
40--45 | 9 | 24 |

R = 40-10=30 5 INTERVALOS
A =30 =6
5
24 ----100% X= 1*100% X= 4.1 = 4%
1----- X 24

R/= El intervalo inferior representa el 4%.
24---100% X= 40*100% X= 16.6 = 17%
4---X 24

R/= El int5ervalo superior representa el 17%.2. X= 744 = 31 R/= El promedio de clientes visitados en esta zona
24 durante el mes es 31.

3. VENTAS (1.4)

DATOS:120-120-130-135-140-140-150-160-160-180-180-190-200-200-200-220-220-240-240-240-250-260-280-280.
INTERVALOS | FI | XI | XI*FI | XI-X= X | X2 | X2*FI |
120--151 | 7 | 136 | 952 | -60 | 3600 | 25200 |
152--183 | 4 | 168 | 672 | -28 |784 | 3136 |
184--215 | 4 | 200 | 800 | 4 | 16 | 64 |
216--247 | 5 | 232 | 1160 | 36 | 1296 | 6480 |
248--279 | 2 | 264 | 528 | 68 | 4624 | 9248 |
280--311 | 2 | 296 | 592 | 100 | 10000 | 20000|
TOTAL | 24 | 1296 | 4704 | | 20320 | 64128 |
ERVALOS
INTERVALOS
R= 280-120= 160 6 CASILLAS
A= 160 = 32
5

X= ∑ XI *FI= X = 4704= 196
N24

S= X2*FIN S= 6412824 s=2672 S =51.6 – 52

1S= 196-52=144
196+52=248
=14

2S= 196-104=92
196+104=300
=24

3S=196-156=40
196+156=352
=24

24---100% X= 100%*14 X= 58%
14 --- X 24

24---100% X= 100%*24 X= 100%
24---X24

4. VENTAS (1.5)

DATOS: 260-280-280-290-290-320-320-325-340-340-350-360-360-360-370-370-375-380-380-390-400-400-400-420
INTERVALOS | FI | FA |
260--291 | 5 |...