Student Bar Charts
1. Problem statement: Tracey says the number of male students is the same over the three years, and the number of female students increases each year.
2. Analyze each chart:
- Chart 1: Male students increase, female students roughly constant; does not match Tracey's description.
- Chart 2: Both male and female students increase; does not match Tracey's description.
- Chart 3: Male students remain constant, female students increase each year; matches Tracey's description.
- Chart 4: Both male and female students decrease; does not match Tracey's description.
3. Therefore, Tracey is describing Chart 3.
4. Descriptions for other charts:
- Chart 1: The number of male students has increased over the years, and the number of female students has stayed about the same.
- Chart 2: Both male and female student numbers have increased year-on-year.
- Chart 4: Both male and female student numbers have decreased over the years.