The chart is from the passage "Drawn to Barre."

A 3-column table with 4 rows. Column 1 is labeled Year with entries 1830, 1880, 1890, 1900. Column 2 is labeled Barre Population with entries 2,012; 2,060; 6,790; 10,000. The third column is labeled Percent increase with entries blank, 2.4 percent, 229.6 percent, 47.3 percent.
Based on the passage, which best describes the purpose of this chart?

to emphasize how the development of unions affected the population
to show how the population of Barre decreased when stone workers arrived
to emphasize how the growth of the railroad affected the population
to show how the population of Barre decreased when it became more artistic

None of the given options accurately describe the purpose of the chart. The purpose of the chart is to present data on the population of Barre over different years and the corresponding percentage increase in population.

Based on the information provided, the purpose of this chart is to show the population growth of Barre over time. The chart displays the population numbers for different years (1830, 1880, 1890, and 1900), along with the corresponding percentage increase in population for each year. Therefore, the correct answer would be:

to emphasize how the growth of the population of Barre changed over time.

Based on the information provided, the purpose of this chart is to show how the population of Barre changed over time, specifically highlighting the percent increase in population between certain years.