2019 AP Statistics #4 - FRQ Solution - Released Free Response Question - 2-PropZTest - Tumbleweeds

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This video is my attempt at the 2019 AP Statistics Free Response problem #4.

This problem required you to understand how to conduct a 2 Proportion Z Test to see if the a population proportion had changed.

No copyright infringement intended.
  1. MATHRoberg
  2. 2019 FRAPPY
  3. FRQ #4
  4. frappy
  5. tumbleweed
  6. Kochia
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Комментарии
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Could you use a two proportion 95% confidence interval? I did and also found a statistical difference

jonathanl
Автор

Are you allowed to use the combined proportion >= 5 to test normality? that's what we were taught in our class for 2-PropZTests

sebastian-nunez
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Does the AP exam allow you to use the calculator test without showing how you calculate the z-value or the combined p-hat and still get an E?

lorizebrack-smith
Автор

could you do a chi square for homogeneity?

sophiemiller