Walter Riso

Paralelepípedo el largo

x = x1+x2+ x33
x = 33,68 +33,62+33,863
x=33,72m
xi | di=xi -x | di2 |
33,68 | 33,68 – 33,72 =-0,04 | 0,0016 |
33,82 | 33,82 – 33,72 = 0,1 | 0,0001 |
33,86 | 33,86 – 33,72 = 0,14 | 0,0196 |
∑ | −−− | 0,0243 |∆x=di2n(n-1)
∆x=0,02136 ∆x=0,0243

X= 33,72± 0,0243

εr∆xx = 0,024333,72
εr=7,206×10-04

εr%= εr×100εr%=7,206×10-04 ×100
εr%=0,07206

Paralelepípedo el ancho

x = x1+x2+ x33
x = 16,60 +16,48+16,583
x=16,55m
xi |di=xi -x | di2 |
16,60 | 16,60-16,55= 0,05 | 0,0025 |
16,48 | 16,48–16,55 =- 0,07 | 0,0049 |
16,58 | 16,58–16,55 =0,03 |0,009 |
∑ | −−− | 0,0083 |

∆x=di2n(n-1)
∆x=0,00836 ∆x=0,0151

X= 16,55± 0,0151

εr∆xx = 0,015116,55εr=9,163×10-04

εr%= εr×100
εr%=9,163×10-04 ×100
εr%=0,0912

Paralelepípedo el espesor

x = x1+x2+ x33
x = 13,20+13,24+13,203
x=13,21m
xi | di=xi -x | di2 |
13,20 | 13,20-13,21= -0,01 | 0,0001 |
13,24 | 13,24–13,21 =0,03 | 0,0003 |13,20 | 13,20–13,21=-0,01 | 0,0001 |
∑ | −−− | 0,0005 |

∆x=di2n(n-1)
∆x=0,00056 ∆x=3,726×10-04

X=13,21± 3,726×10-04

εr∆xx = 3,726×10-0413,21
εr=2,821×10-04

εr%= εr×100
εr%=2,821×10-04 ×100
εr%=0,0282