Which of the following is correct about a bootstrap confidence interval? Select all that apply.

a.

A 95% confidence interval obtained using the bootstrap approach can be interpreted as "we can be 95% sure that the true measure is in the interval provided"

b.

A confidence interval provides an estimate of precision of an effect size

c.

A bootstrap pivotal confidence interval assumes that the observed sample measure is a pivot such that the variability in sample measures around the true population measure is the same as the variability of measures from the bootstrap resamples around the observed measure

d.

A confidence interval provides an estimate of uncertainty in the sample measure