Flashcards
Chapter 9: Confidence Intervals

Cards in this deck (18)
- 1Inferential Statistics objectiveto make statements about population parameters based on statistics computed from a sample
- 2Estimate

- 3Confidence Interval

- 4Assumptions with Confidence Intervals for Population Mean (when population standard deviation is known)

- 5Interpretation of Confidence Intervals for Population Mean (when population standard deviation is known)

- 6Confidence Interval for Population Mean Example (1) **population standard deviation KNOWN**

- 7Obtaining precise interval for High Confidence

- 8Choosing a sample size

- 9Choosing a sample size Example

- 10Student's t distributionused when population standard deviation is UNKNOWN

- 11Student's t distribution (cont.)

- 12Confidence Interval for Population Mean **when population standard deviation is UNKNOWN**

- 13Confidence Interval for Population Mean Example (1) **when population standard deviation is UNKNOWN**

- 14Confidence Interval for Population Proportion (pi)

- 15Confidence Interval for Population Proportion (pi) Example (1)

- 16Confidence Interval for Population Proportion (pi) Example (1) (cont.)

- 17Choosing the Sample Size Confidence Interval for Population Proportion (pi)

- 18Choosing the Sample Size Confidence Interval for Population Proportion (pi) Example (2)

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- Estimating parameters with points and intervals
- Created by
- Erin Vales
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