Yup: > The first sample consisted of 50 start-ups that went public in an initial public offering for which there was a very early business plan. The second sam

Yup: > The first sample consisted of 50 start-ups that went public in an initial public offering for which there was a very early business plan. The second sample included all start-ups that went public in 2004. They only sampled startups that went public... that's a very small sample of all the startups.