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Quick Check 21.2 – Data 100, Summer 2020
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* Indicates required question
We use the bootstrap to:
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estimate the sampling distribution of a population parameter
estimate the sampling distribution of an estimator
estimate the variance of a population parameter
estimate the bias of an estimator
True or False: The bootstrapped sampling distribution is guaranteed to be centered on the true population parameter.
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True
False
Why must we sample with replacement when bootstrapping?
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So that our resamples look different from one another
Because sampling without replacement is too cost-prohibitive
Because we need to have the same number of elements in our resample as we have in our original sample
Because we don't have access to the population
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