D
i
r
e
c
t
q
u
e
s
t
i
o
n
L
i
s
t
e
x
p
e
r
i
m
e
n
t
Proportion 'liars': 0.0
Proportion 'liars': 0.1
Proportion 'liars': 0.2
Proportion 'liars': 0.3
500
1000
1500
2000
2500
500
1000
1500
2000
2500
500
1000
1500
2000
2500
500
1000
1500
2000
2500
0.000
0.025
0.050
0.075
Sample size
Diagnosand: RMSE