Question: How do you decide whether to reject or fail to reject the null hypothesis? How do you tell whether the test is left, right, or

  1. How do you decide whether to reject or fail to reject the null hypothesis?
  2. How do you tell whether the test is left, right, or two tailed?
  3. Why can we never accept the null hypothesis?
  4. Why does decreasing the probability of making a type one error increase the probability of making a type two error?
  5. How does a researcher decide the level of significance for a hypothesis test?

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