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  • Probability
    • P=total no. outcomes/total no. possible outcomes
    • stats tests allow us to accept/reject hypothesis
    • Type 1 error
      • assuming findings show something when they don't (rejecting a null hypothesis that is true)
      • occurs if P is too lenient (10%)
    • Type 2 error
      • may miss something that is actually happening (accepting a null hypothesis that is false )
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