Official 2020 AP Stats Exam College Board Lesson #23 AP Statistics: Review of Timed AP Exam Practice #2 5_7_2020 A MUST FOR EXAM PARTICIPANTS!!


That was a great lesson and practice test from Brendan Murphy!  Here are my take-aways and teacher comments:



THIS DEFINTELY A  MUST WATCH/PARTICIPATE FOR UNDERSTANDING 2020 AP STATS EXAM PRACTICE!! REMINDER: THERE ARE ONLY 2 FRQs TYPES ON THE 2020 EXAM!!



Reminders

·         4 weeks of lessons and preparation for the exam is being taught/reviewed (recorded) M-F: 2-2:45 PM in these YouTube Lessons 😊  https://www.youtube.com/watch?v=SSasY8shMnk&list=PLoGgviqq4845u-QDW3bikMhC4uQsuYDpy&index=32



  • Lessons: April 6-10: Units 6-7 taught first because many schools either didn’t get to these entirely or at all (we did get through most of this); April 13-April 24: Units 1-5
  • NEW:  EXAM POINTERS FOR DOING WELL ON THE 2020 EXAM: 4/27—5/1.   5/4 - 5/7 : TWO ACTUAL 2020 PRACTICE TESTS, one final day of pointers from both BM and LW!!😊
  • AP Stats Exam Friday May 22 from 2-2:45 EST
  • All resources available at Statsmedic.com/youtube
  • If you need a device take the Exam go to cb.org/tech

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·         TEST TAKERS:  PLEASE GO TO https://www.youtube.com/watch?v=7BavYq8MGrk&list=PLoGgviqq4845u-QDW3bikMhC4uQsuYDpy&index=31  AND TRY THIS TIMED EXAM AS SOON AS YOU CAN!!



---THIS IS THE PRACTICE Sample Question #1 FRQ (25 minutes) FOR THE 2020 AP STATS EXAM---  the timer is in place and you should practice one of the 3 options (copy-paste, attach a document, handwrite then attach photos from your smartphone or tablet) then you would click submit before time is up during the 5 minutes left submission time.






Complete question parts a-f at http://tinyurl.com/y9j3glbh looks like this:

  • teacher comments follow 


  • a) ) Nice explanation of observational study versus experiment (randomly imposing a treatment(s)) WITH CONTEXT
  • b) Nice example of determining a probability from a two-way table WITH CONTEXT
  • c) Nice example of determining a conditional probability from a two-way table WITH CONTEXT
  • d) Nice explanation of the Independence Test WITH CONTEXT to show how two events are NOT Independent DO THE MATH
  • e) Nice example of the choice of the 2 Prop Z Test and defining H0 and Ha and p1 and p2
  • f) Nice review of the Conclude step of SPDC in the four step process WITH CONTEXT

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---THIS IS THE PRACTICE Sample Question #2 FRQ (15 minutes) FOR THE 2020 AP STATS EXAM---  the timer is in place and you should practice one of the 3 options (copy-paste, attach a document, handwrite then attach photos from your smartphone or tablet) then you would click submit before time is up during the 5 minutes left submission time. 






Complete question parts a-e at http://tinyurl.com/y9td3qe2 looks like this:

  • teacher comments follow 



  • a) Nice probability question from a dot plot
  • b) Nice interpretation question of the standard deviation WITH CONTEXT
  • c) Nice comparison of two measures of center from two dot plots without using actual values
  • d) Nice reminder of using Random (given) Normal (since n<30, CLT does not apply, but the dot plots show no apparent skew or outliers) Independent (assume the population is at least 50times10 = 500) (RNI) for the conditions for a confidence interval for mean, also nice recommendation to “scribble out” if erasing takes up too much time 😊
  • e) Nice reminder of how if zero does not lie in the confidence interval, we have no support for the statement of no difference (giving evidence in favor of a difference)



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NICE OVERALL EXPLANATION AT THE END OF WHERE EACH COLLEGE BOARD UNIT ASSIGNMENT CAME FROM AS THESE PERTAIN TO EACH PART!!!!





LAST COLLEGE BOARD LESSON (EXAM TIPS & BEST WISHES) IS TOMORROW😊!!!!!!!!!





Please email me any time with any question, comments, thoughts.



Take care!!

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