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Exercise

Generating a bootstrap distribution

The process for generating a bootstrap distribution is similar to the process for generating a sampling distribution; only the first step is different.

To make a sampling distribution, you start with the population and sample without replacement. To make a bootstrap distribution, you start with a sample and sample that with replacement. After that, the steps are the same: calculate the summary statistic that you are interested in on that sample/resample, then replicate the process many times. In each case, you can visualize the distribution with a histogram.

Here, spotify_sample is a subset of the spotify_population dataset. To make it easier to see how resampling works, a row index column called 'index' has been added, and only the artist name, song name, and danceability columns have been included.

spotify_sample is available; pandas, numpy, and matplotlib.pyplot are loaded with their usual aliases.

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  • Generate a single bootstrap resample from spotify_sample.
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