The main use of a histogram is to illustrate tabulated frequency. Histograms are a part of the modern forms of displaying data, and they show the statistical graphics of various subjects. The histogram above shows the numbers of U.S. immigration by people from Northern Europe. The various colors represent different countries in Europe which people immigrate from. The x-axis represents the numbers of people who have immigrated, and the y-axis shows the years in which they immigrated from each country to the United States. The main pattern of interest is United States immigration, and the numbers of people immigrating each year.
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