A Random Sample of Size 25 Was Selected from a Population

question 31

Multiple Choice

A random sample of size 25 was selected from a population and from that sample the value of a statistic,which we will label ,was determined to be = 6.250.Using the bootstrap method,5000 resamples were obtained from the sample observations.The histogram of the values of the statistic from these 5000 resamples looked reasonably Normal.The 5000 's had a mean of 6.234 and standard deviation of 1.493.Which of the following statements about this situation is/are TRUE?

• A)For the statistic ,the bootstrap standard error is = 0.2986.
• B)The bootstrap estimate of bias in the statistic is 0.016.
• C)The bootstrap standard error is 1.493.
• D)None of the above is true.
• E)Only B and C are true.

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