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What's on the worksheet
- Each line describes a random sample of size n and a plot of its values.
- A wildlife reserve on an island is home to 280 giant tortoises.
- Grace grows carrots in a field of about 20,000 plants.
- Hiro nets a simple random sample of 20 eels from a lake that holds several thousand, and measures each length in centimeters (made-up data).
- For each study, check the three conditions for a t interval for the mean, with numbers where they apply, and say what population the result can…
- Each claim below is wrong.
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The free lesson teaches it with worked examples and practice problems.
Conditions for one mean: the lesson ›