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### Course: Statistics and probability > Unit 11

Lesson 3: Estimating a population mean- Reference: Conditions for inference on a mean
- Conditions for a t interval for a mean
- Finding the critical value t* for a desired confidence level
- Calculating a t interval for a mean
- Making a t interval for paired data
- Interpreting a confidence interval for a mean
- Sample size and margin of error in a confidence interval for a mean

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# Finding the critical value t* for a desired confidence level

You might need: Calculator,t table