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1 2 3 4 5 6 7 8 9
1
2
3
4
5
6
7
8
9
)( 11 xx δ± )( 22 xx δ±
)( 11 yy δ±
)( 22 yy δ±
Cálculo del error de la Pendiente
12
12
xx
yym
−−=
cmxx )015.2(11 ±=± δ
cmxx )015.6(22 ±=± δ
cmyy )015.4(11 ±=± δ
cmyy )1.05.7(22 ±=± δ
cmyya 0.312 =−=
cmxxb 0.412 =−=
1−== abb
am
75.00.4
0.3 ==m
bb
ma
a
mm δδδ
∂∂+
∂∂=
ba
m 1=∂∂
2b
a
b
m −=∂∂
cm2.0yya 12 =+= δδδ
cm2.0xxb 12 =+= δδδ
)(cmy
)(cmx
bb
aa
bm δδδ
2
1 −+=
)2.0(16
0.3)2.0(
0.4
1 −+=mδ
)2.0)(19.0()2.0)(25.0( +=mδ
09.004.005.0m =+=δ
)09.075.0(m ±=
Error Relativo
m
mIr
δ=
ba
bbm
aam
Irδδ
∂∂+
∂∂
=
ba
bb
aa
bIr
δδ 2
1 −+=
a
bb
b
a
a
ab
bIr
δδ2
1 −+=
b
b
a
aIr
δδ +=
0.4
2.0
0.3
2.0 +=Ir
12.0=Ir
mIrm *=δ)75.0)(12.0(=mδ
09.0m =δ