Which if any of the following statements about the bootstrap method is INCORRECT?

A. The bootstrap method involves repeatedly drawing random samples from the original data B. The bootstrap method involves repeatedly drawing random samples from the original data, with replacement C. Bootstrap methods can be used for hypothesis tests and regression analyses and for calculating non‐parametric confidence intervals D. 1000 or more bootstrap samples are typically needed for estimating bootstrap confidence intervals.

E. The best estimate of the statistic (e.g. sample mean) is the observed mean from the original data.