Central Limit Theorem Validation · Bootstrapping · n=1,000 · 10,000 Iterations

Bootstrapped Sampling Distributions by Age Group

Despite a skewed population, bootstrapped sample means form symmetric bell curves — validating the use of parametric confidence intervals

0–17
18–25
26–35 ↑ Peak
36–45
46–50
51–55
55+
10,000
Bootstrap iterations per group
1,000
Sample size per iteration
26–35
Highest average spend group