VETERANS HEALTHCARE
How long are VA wait times? Use simulations to see the distribution of possibilities.
Start
Applet by
Skew The Script
(authors: Max Cembalest and Dashiell Young-Saver)
Applet inspired by
this sampling distribution applet
(by David Lane & fellow contributors)
Background image by University of Michigan Health Lab.
True average wait time: 3 days
Standard deviation of wait time (must be in range [0.125, 1.5]):
Standard deviation of wait time: 1
Choose a distribution:
Normal
Right skew
Left skew
Choose a sample size (n):
2
4
10
30
50
Add 1 sample
Add 10 samples
Add 100 samples
Fit to Normal
x
¯
∼
N
o
r
m
(
μ
x
¯
=
μ
,
σ
x
¯
=
σ
n
)
Number of sample means
Greater than >
Greater than ≥
Less than <
Less than ≤
Count
Parent population
0
1
2
3
4
5
6
0
1
2
3
4
5
6
0
1
2
3
4
5
6
True mean μ
Distribution of sample means (run some simulations!)
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