Don't forget--your AP $ and form are due March 1st!
Tonight please complete the following in your textbook:
Page 428:
- 7a (find the standard deviation for the sampling distribution for proportions, label 3 standard deviations above/below p--check the example on page 415-416)
- 11 (you already checked these conditions, so skip those; tonight, create the model with the 68/95/99.7 rule shown AND INTERPRET this rule in complete sentences--like we did today)
- 23 (you already checked these conditions as well; label AND interpret the 68/95/99.7 rule like we did in class!)
- 25cd (for 25d you will first create the sampling distribution model, then we have to do some Normal model math using this new sampling distribution standard deviation!)
And don't forget--we will have a chapter 18 vocab quiz on Friday! Here's the vocab list:
- 10% Condition (know what it is why we check it)
- Randomization Condition (know what it is why we check it)
- Success/Failure Condition (know what it is why we check it)
- Large Enough Sample Condition (know what it is why we check it)
- 3 conditions for a sampling distribution for proportions
- 3 conditions for a sampling distribution for means
- Sampling Variability (aka sampling error)
- Sampling Distribution
- Sampling distribution for proportions = categorical data
- Sampling distribution for means = quantitative data
- Central Limit Theorem
- Standard Error
- Know how increasing/decreasing sample size affects standard error
- Identify which question requires the use of a sampling distribution
And if you'd like to play around with them more here are the links to the applets we looked at to explore sampling distributions in class!
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