Question

1.Which of the following is false about bootstrapping?

A. The endpoints of a 95% bootstrap confidence interval are the cutoff values for the top and bottom 2.5% of the bootstrap distribution.

B. Bootstrap distributions that are extremely skewed or have isolated clumps of values may yield unreliable confidence intervals.

C. Bootstrap distributions are constructed by sampling with replacement from the original sample, while sampling distributions are constructed by sampling with replacement from the population.

D. A bootstrap confidence interval constructed based on a biased sample will still yield an unbiased estimate for the population parameter of interest.

Answer 1

D. A bootstrap confidence interval constructed based on a biased sample will still yield an unbiased estimate for the population parameter of interest.