Hypothesis Testing 1
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Hypothesis Testing 1

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Description of how to conduct a one proportion z-test.

Description of how to conduct a one proportion z-test.

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Hypothesis Testing 1 Hypothesis Testing 1 Presentation Transcript

  • 0 H H A
  • Conditions 1. Randomization 2. Independence: Plausible Independence? 10% Condition - 3. np, nq ≥ 10
  • p +1 σ +2 σ +3 σ -1 σ -2 σ -3 σ P( p ) = P( z ) = < > ≠ N( p, ) z =
  • Interpretation If the , then the probability of observing a sample that is is . null hypothesis is true proportion/mean less than, greater than, at least as extreme as p-value 1 2 p-hat 4 3
  • Fail to Reject the Null Hypothesis Reject the Null Hypothesis High p-value High likelihood of happening through natural sampling variation Low p-value Low likelihood of happening through natural sampling variation
  •