To estimate the population proportion of American households that make less than $10,000 per year, we can take the average of the sample proportions from the three states.
From the tables, the sample proportions for American households making less than $10,000 per year are as follows:
- State A: 0.125
- State B: 0.135
- State C: 0.120
Calculating the average of these sample proportions:
(0.125 + 0.135 + 0.120) / 3 = 0.1267
Therefore, the estimated population proportion of American households that make less than $10,000 per year is approximately 0.127 (rounded to the nearest thousandth).
The data in the tables are from the U.S. Census Bureau’s American Community Study (2021). The tables show the sample proportion for American households in each yearly income band, generated from the three most populous U.S. states. Based on the data, estimate the population proportion of American households that make less than $10,000 per year. Round your answer to the nearest thousandth.
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