2022 AP Statistics Free Response #6

Walkthrough of the 2022 AP Statistics Free Free Response #6

Corrections: part (d), I should have said explicitly that it's different.

Link to the released FRQs:

Link to my PDF Solutions:

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[aidanstroud]

I thought the investigative task was quite easy this year (thankfully)

[worldblazin]

I'm glad to study AP Stats and find out discussions on it from the youtube creator, At first question 1 came off like Algebra 1 from the Undergraduate Berkeley Research test BASS. During question 4 and 5 I started playing it over and thinking about remembering the problem solving procedure, since there was tons of info that I learned in AP Stats that came back when finding these test questions. Overall I thank the creator and am looking forward to more education.

[AllenTsaoSTEMCoach]

Corrections/Clarifications:

part (d), I should have said explicitly that it's different clinic from part (A).

[RCHProductionsYT]

I’m so glad this was the investigative task. I feel like it’s gonna carry my FRQ score

[Ookashay]

Why isn't part b true? Couldn't you perform a chi squared test of homogeneity?

[sofiaelares]

my fear is confirmed. i mixed parts C and D up. UGH.

[woozy]

I'm hoping the investigative task for the 2023 exam is this easy..

[rimacreviews]

For B, I just said that without random assignment, you can’t have causation, but I didn’t mention that it wasn’t an experiment. Do you think this would still be fine?

[rajitlurker]

I said the width of rectangle is larger in the mosiac plot as my explanation in Cii. for example, for clinic A I said the bar representing mild cases is wider so that means more of their cases came from mild cases. would that be a fine explanation

[morischacter]

Wouldn’t part d be different because it wants you to compare to your answer in a?

[rubenb]

What if I said clinic a is more server because it has a higher percentage in that area

[sonofben]

was it fine if i entered the relative frequencies for part a as fractions?