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MMLU / When it comes to STATISTICAL DECISION-MAKING, rejecting a false null is the goal…

Problem

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question

When it comes to STATISTICAL DECISION-MAKING, rejecting a false null is the goal of most researches. From your knowledge about TYPE I ERROR, which statement out of the following ones is about it?

choices

  1. probability of making an Alpha Level error
  2. the level of significance is set by the researcher at .01 or .05
  3. graphically→ white is retention area and black is rejected area
  4. null hypothesis is rejected, but it is true

subject

professional_psychology

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