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MathidiaMathematics Academy
Hypothesis testing
Lesson 7 of 10
Review

Writing conclusions in context

Objective. State a statistical conclusion in the language of the problem.

  1. 1. Learn
  2. 2. Worked example
  3. 3. Practice
  4. 4. Feedback
  5. 5. Continue

Learn: the key idea

Never say H₀ is 'true' or 'proved'. Say there is or is not sufficient evidence at the stated level to support the alternative, and mention the real-world quantity.

Worked example

p-value 0.021 at 5% for the biased coin test. Conclude.

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  1. 10.021 < 0.05, so reject H₀.
  2. 2Restate in context.

Answer: There is sufficient evidence at the 5% level that the coin favours heads

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Practice

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Common mistake. Concluding proof rather than evidence.

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