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What's on the worksheet
- Word problem: arrival time in a 120-minute delivery window as a flat density curve.
- Word problem: how far members of a town library live from it, with unequal bins.
- Word problem: when shoppers arrive at an 8-hour weekend market, from a density curve figure.
- Word problem: minutes a visitor spends at a museum exhibit, with a triangular curve.
- Compare two density curves, one flat and one with a changed piece, for mean and median.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Density curves: area, mean and median: the lesson ›More Chapter 13 worksheets: The normal distribution and introductory inference
- 13.1Density curves: area, mean and median
- 13.2The normal distribution
- 13.3z-scores and the empirical rule
- 13.4Standardizing a data set
- 13.5The standard normal distribution
- 13.6Normal calculations: areas and percentiles
- 13.7Checking whether data look normal
- 13.8Simulating a sampling distribution and a margin of error
- 13.9Comparing two treatments by re-randomizing