Official 2020 AP Stats Exam College Board Lesson #21 AP Statistics: Review of Timed AP Exam Practice #1 5_5_2020 A MUST FOR EXAM PARTICIPANTS!!

Hi all:

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FIRST:

SOME MUST VIEW AP EXAM UPDATES:



College Board AP Stats 2020 Exam Important Information:



https://apcoronavirusupdates.collegeboard.org/educators/taking-the-exam/statistics



Go to this link for what sample questions they have for us so far:



https://apcoronavirusupdates.collegeboard.org/educators/taking-the-exam/statistics

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That was a great lesson and practice test explanation from Luke Wilcox!  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=WahkV0holnc&list=PLoGgviqq4845u-QDW3bikMhC4uQsuYDpy&index=30

• 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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---THIS IS THE PRACTICE Sample Question #1 FRQ (25 minutes) FOR THE 2020 AP STATS EXAM---  teacher comment follow this image

• a) Nice explanation of observational study versus experiment (randomly imposing a treatment) WITH CONTEXT
• b i) Nice explanation to support the effectiveness of advertisement #1 over advertisement #2 WITH CONTEXT
• b ii) Nice explanation to support the effectiveness of advertisement #2 over advertisement #1 WITH CONTEXT
• c) Nice explanation of the Independence Test WITH CONTEXT to show how two events are NOT Independent
• d) Nice explanation of the Approximately Normal condition of RNI for checking necessity in order to be able to do probability calculations WITH CONTEXT
• e) Nice interpretation and display of a P-Value WITH CONTEXT for a sampling distribution
• f) Nice review of the Conclude step of SPDC in the four step process WITH CONTEXT

---THIS IS THE PRACTICE Sample Question #2 FRQ (15 minutes) FOR THE 2020 AP STATS EXAM---  teacher comment follow this image

• a)  Nice probability z-score question explanation from an approximately normal distribution using a table or Empirical Rule.  You can use 2^nd Vars: normalcdf(-9999, -1) = 0.1586
• b)  Nice review of the describing of a distribution using SOCS WITH CONTEXT.  You can treat this a bimodal distribution for full credit
• c)  Nice review of determining Point Estimate and Margin of Error from the endpoints of a confidence interval
• d) Nice review of when a value lies outside of an interval this given evidence against the statement of no difference
• e) Nice detailed explanation of a stratified random sample WITH CONTEXT and reducing variability is the same as increasing precision

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

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PRACTICE TIMED AP SAMPLE EXAM #2 IS TOMORROW!!!!!!!!!!

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



Take care!!