A small set of tutorials to learn the basics of R.
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Here’s the breakdown by age for American adults in 2021, based on data from the Pew Research Center.
What percentage of a waiter and waitress’s income comes from tips and what comes from salary? The calculation isn’t straightforward but we can try.
Calculating how much money a kid gets after exchanging all twenty baby teeth.
Among households in the United States, 68% are owned and 32% are rented, based on estimates from the American Community Survey in 2021. That breakdown isn’t uniform across the country though.
