- Tonight, finish 2010 #4 AND score it as a way to review!
- What should I use to study?
- Pay a little extra attention to "interpreting confidence level," only because today was the first time we have practiced that--see the extra practice below
- Today's classwork, completed and scored
- Last night's homework (lots of math stuff)
- Your take home quiz from our long weekend (passed back yesterday)
- Your notes
- AP Stat Guy videos
- Want some more practice? Try any/some/all of these (and check in the back of the book)
- Page 446-449: 3 (conditions), 13c, 21c, 23d (interpret C. level), , 25 (create and use interval), 29ab (create interval, know how changing n affects ME), 33 (find n),
Anything confidence intervals is free game for tomorrow...just be ready for it all...
- What do I need to know about confidence intervals?
- When/why do we create a confidence interval?
- What symbol is a sample proportion/%? A population proportion %? (statistic v. parameter)
- How do we identify/calculate x, n, and p-hat for a given context?
- What wording in a question suggests I have to create a CI?
- How do I find the critical value for a given C. Level using...
- t-table
- invnorm(
- What is the full CI process?
- How do I check conditions for a one prop z interval?
- How do I do the math with my calculator and show the supporting formula?
- How do we interpret the meaning of a confidence interval?
- How can we use our confidence intervals to assess some claim? (like 13d from the weekend hw)
- What is ME?
- How can we calculate margin of error given a sample size, C. Level, and p-hat?
- How can we calculate sample size for a given ME?
- How does changing n affect the ME? the width of an interval?
- How does changing C. Level (and as a result, z*) affect the ME? the width of an interval?
- How can we find the value of p-hat (a point estimate) only given an interval?
- How can we find the ME only given an interval?
- What does it mean to say "__% confident?"--how can we interpret the meaning of a confidence level?
- If you have any questions, things you're confused about, or just want a deeper understanding, take the time this weekend to use your resources!
- Watch AP Stat Guy videos 6-9 in Unit 5 for some help!
- Use Khan Academy--this is aligned with AP Stat!
- Linked on the right WITH a course code
- Google stuff--anything about one proportion z intervals!
Today's Class Recap:
- Today was all practice!
- Stamp = Classwork Grade (3 MC)
- Completed 2010 AP FR #3 in groups (14 min)
- Interpret C. Level, use an interval to test a claim, find sample size
- Scored a classmate's FR using the rubric, discussed
- Completed 2010 AP FR #4
- Create and interpret interval (don't forget conditions)!, know why we check 10% condition...
Tomorrow (after our quiz) we'll start talking about hypothesis testing--see you there!
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