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AP Statistics Confidence Intervals for a Mean — practice questions

Explore 1 free Confidence Intervals for a Mean questions in AP Statistics Mathematics. Open each question or exercise to read its content, reference answers and available explanation.

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Confidence Intervals for a Mean questions and exercises with answers

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Left
Wider
Items
  1. Item
    Raise CL to 99%
    Answer
    Wider
  2. Item
    Drop CL to 80%
    Answer
    Narrower
  3. Item
    Survey more people
    Answer
    Narrower
  4. Item
    Use a small sample
    Answer
    Wider
  5. Item
    Bigger error bound
    Answer
    Wider
  6. Item
    Tiny error bound
    Answer
    Narrower
  7. Item
    Go from 90% to 95%
    Answer
    Wider
  8. Item
    n goes 30 to 300
    Answer
    Narrower
Right
Narrower
Instructions
Swipe each change left into Wider or right into Narrower for the interval it produces.
_Source: OpenStax Introductory Statistics, section 8.1 | A Single Population Mean using the Normal Distribution_

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