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This What Percent of the Continental US is Within One Mile of a Road? lesson plan also includes:
- What Percent of the Continental US is Within One Mile of a Road? (Doc)
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There are places in the US where a road cannot be found for miles! The lesson plan asks learners to use random longitude and latitude coordinates within the US to collect data. They then determine the sample proportion and confidence interval to examine the effect of sample size on the statistical results.
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Instructional Ideas
- Use as an interdisciplinary lesson; have geography classes collect data and math pupils analyze the data
Classroom Considerations
- Prior to the lesson, learners should have experience with sampling and calculating confidence intervals
- Pupils need an understanding of longitude and latitude and how to locate the coordinates on a graph
- Requires laptops with Internet access for each pair
Pros
- Provides clear directions and guidance throughout the lesson to help plan for instruction
- Uses open source online software to aid in the randomization of samples
Cons
- None