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What's on the worksheet
- Word problem: decide if a running club's weekly distances look normal from the mean and spread.
- Decide whether ten dogs' weights look normal from a dot plot.
- Compare two packing machines' bag weights using normal plots.
- Word problem: post office waiting times in a dot plot and a normal plot.
- Decide whether scores on an easy spelling test look normal.
- Decide whether ten pairs of children's shoe sizes look normal.
Teach it first
The free lesson teaches it with worked examples and practice problems.
Checking whether data look normal: 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