6.1 Estimating with Confidence
Throughout this section will assume that the population variance is known. This is NOT a realistic assumption – but it sure makes learning this material a lot easier. In Chp 7 we will drop this assumption.
- Goals for 6.1
- Slide 3
- Slide 4
- Slide 5
- Slide 6
- The Motto Of The Story
- The Central Limit Theorem
- Estimating A Population Mean µ
- Estimating A Population Mean µ - Example
- Estimating A Population Mean µ - Example
- The Range Game!
- Important Definition!
- Back To The Snakessssssssssss…..
- A Trick
- Why Is This Important?
- Back To The Snakessssssssssss…..
- Interpretation Of A 95% Confidence Interval
- Some Thoughts…
- So What Can We Say?
- Example
- Example
- Constructing a Confidence Interval with Confidence
- Picture for CIs
- CI’s with confidence, continued
- Margin of Error