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## AP®︎/College Statistics

### Course: AP®︎/College Statistics > Unit 11

Lesson 3: Carrying out a test for a population mean- When to use z or t statistics in significance tests
- Example calculating t statistic for a test about a mean
- Calculating the test statistic in a t test for a mean
- Using TI calculator for P-value from t statistic
- Using a table to estimate P-value from t statistic
- Calculating the P-value in a t test for a mean
- Comparing P-value from t statistic to significance level
- Making conclusions in a t test for a mean
- Free response example: Significance test for a mean

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# Calculating the test statistic in a t test for a mean

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