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Visualizing population

A histogram is useful for examining the distribution of a numeric variable. In this exercise, you'll create a histogram showing the distribution of country populations (by millions) in the year 1952.

Code for generating this dataset, gapminder_1952, is provided.

说明

100 XP

Use the gapminder_1952 dataset to create a histogram of country population (pop_by_mil) in the year 1952. Inside the histogram geom, set the number of bins to 50.

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说明

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