Tonight you have 2 responsibilities:
1.) Complete your take home quiz (see below if you were out)
- Get this done tonight! Don't wait and hope for a snow day then end up getting a 0! Be responsible!
- Quiz = 15 matching vocab AND....
- 2 contexts where you have to determine which condition does not pass....
- Here's the chapter 18 vocab list:
- Sampling Distribution
- Sample Statistic
- Population Parameter
- Sampling Variability
- Sampling Distribution for Means (for what type of data)?
- Sampling Distribution for Proportions(for what type of data)?
- Know which conditions we use for each type of sampling distribution
- 10% Condition: how do we check it and why do we check it?
- Success/Failure Condition: how do we check it and why do we check it?
- Randomization condition: how do we check it and why do we check it?
- Large Enough Sample condition: how do we check it and why do we check it?
- Standard Error
- Central Limit Theorem
- Know how changing sample size affects standard deviation
Here's the take home quiz in case you lost yours or were out:
Today's Class Recap:
- Stamp = Sampling Distribution Math!
- Wrapped up ch. 18 Notes:
- Definition of a sampling distribution
- When do we use sampling distribution formulas?
- Looked at an example of the 68/95/99.7 rule with sampling distributions
- Discussed/explored how increasing/decreasing n affects standard deviation
- Also discussed "diminishing returns"
- Intro to ch. 19 (notes):
- What is a confidence interval?
- Why do we use a confidence interval?
- What are the steps for any confidence interval free response?
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