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Friday, February 16, 2018

4 Day Weekend = Take Home Quiz!

This weekend please be sure to complete the "Confidence Intervals for Proportions Intro Quiz!" 

  • If you need a copy email me at carofano.fm@easthartford.org
  • Use your notes to ace this thing!
    • You can also check out the AP Stats Guy Videos--Unit 5 Videos #6, 7, 8, 9 if you need some help or missed some class time!
    • This take home quiz is a great summary of what you need to know about chapter 19 thus far!
Juniors/people who were out Friday: here's what you missed:
  • We DID NOT get to the stamp problem I gave you (juniors)--so don't worry about doing that! (That will be our stamp on Wednesday)
  • We start class by looking over a key for last night's homework--use this example/key (posted below) to check your homework and as an example!
  • In class we completed and scored the 2017 AP Free Response! Please get this done to best prepare yourself for success!
    • Here is the homework key:

    • Here is the 2017 FR question:
    • And here is the link to the 2017 Scoring Rubric so you can check your work and score your FR:




      When we return next week we'll finish up chapter 19 (Weds-Fri), and then we'll start the following week with some quizzes (vocab and math quiz).

      Here are some of the topics we're going to explore next week--feel free to read ahead in chapter 19 or do some independent research to get a head start!

      Chapter 19: Topics for Next Week...

      • Understanding margin of error...
        • What is margin of error?
        • How does changing sample size (increasing or decreasing n) affect ME?
          • How does changing n affect the width of an interval?
        • How does changing our confidence level (increasing or decreasing C. level) change ME?
          • How do changes in our C. level affect the width of the interval?
      • What is a point estimate?
      • How can we find the value of a point estimate (sample statistic) given only the interval?
      • How can we find margin of error given only an interval?
      • What does __% confidence mean? 
        • Interpret confidence LEVEL--we know how to interpret the interval, now we have to discuss how to interpret the level
      • How can we find sample size for a given margin of error?
      • How can we use an interval to "test a claim?"
        • We've done this! This was like #13d from our homework, deciding if our interval supported/contradicted a politician's claim that 1 in 5 auto accidents involved a teenage driver
      Feeling ambitious? Here is a textbook homework assignment for when we return:
      • I'm not sure when I'll assign these, or if I'll split them into multiple assignments, but at some point when we return we'll have to complete these textbook problems:
        • Page 447: 7, 11, 21c, 23, 29ab, 31, 35, 37 






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