The bar chart shows the data for the percentage of population falling into different categories based on Body Mass Index (BMI) in 2003 and 2023. Based on the data provided, which one of the following options is INCORRECT?
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When analyzing bar charts, focus on percentage changes over time and compare category ratios to identify trends accurately.
The ratio of the percentage of population falling into overweight category to the percentage of population falling into normal category has increased in 20 years.
The ratio of the percentage of population falling into underweight category to the percentage of population falling into normal category has decreased in 20 years.
The ratio of the percentage of population falling into obese category to the percentage of population falling into normal category has decreased in 20 years.
The percentage of population falling into normal category has decreased in 20 years.
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The Correct Option isC
Solution and Explanation
Step 1: Interpret the data from the bar chart.
Based on the chart, the following observations can be made:
The percentage of the population classified as normal decreased from 50\% in 2003 to 40\% in 2023.
The percentage in the overweight category rose from 30\% in 2003 to 35\% in 2023.
The obese category increased from 10\% in 2003 to 15\% in 2023.
The underweight category saw a slight decline from 10\% in 2003 to 5\% in 2023.
Step 2: Assess the validity of each statement.
1. Correct: The ratio of overweight to normal increased as the overweight percentage rose while the normal category declined.
2. Correct: The ratio of underweight to normal decreased due to a significant drop in underweight individuals alongside a moderate decrease in the normal category.
3. Incorrect: The ratio of obese to normal actually increased, as obesity rose from 10\% to 15\%, while normal declined from 50\% to 40\%.
4. Correct: The percentage of the normal population decreased over the given period.
Final Answer:
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