Middle School | Mathematics | Data Analysis and Probability
The ability to understand and interpret data (e.g., opinion polls, stock prices, tax rates, crime statistics, scientific studies, weather reports) grows more important each day. Students must be able to organize data, make sense of variables and patterns, and judge the logical reasonableness of any claims and interpretations made. Even very young students can count objects and communicate their findings with charts and graphs. Students of all ages can collect, display and interpret data to answer specific questions. They also must construct and analyze arguments that involve data and its interpretation. All students need to understand and apply the role probability plays in data collection and decision making. Data analysis and use are important abilities necessary for all careers.
Organize, describe and make predictions from existing data:
- Construct, read and interpret tables, graphs (including circle graphs) and charts to organize and represent data.
- Compare the mean, median, mode and range, with and without the use of technology.
- Test the reasonableness of an argument based on data and communicate their findings.
Formulate questions, design data collection methods, gather and analyze data and communicate findings:
- Formulate questions (e.g., relationships between car age and mileage, average incomes and years of schooling), devise and conduct experiments or simulations, gather data, draw conclusions and communicate results to an audience using traditional methods and contemporary technologies.
Determine, describe and apply the probabilities of events:
- Determine the probability and odds of events using fundamental counting principles.
- Analyze problem situations (e.g., board games, grading scales) and make predictions about results.
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