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10 Terms
1
What is the null hypothesis?
the most conservative assumption if we had no evidence to the contrary.
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2
What is the graph by which all these tests rely on?
the sampling distribution of the mean, however, in these tests assume 0 as the mean, that is, mean given null hypothesis.
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3
What is 0?
the population mean under the null hypothesis, essentially representing the "expected" or "baseline" assumption, e.g if you have a given population parameter and you are testing a hypothesis against it.
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4
What is ? in hypothesis testing?
The error rate that the experimenter is willing to tolerate, typically, 0.05 or Zc = 1.96 Note that this value is equal to the likelihood of error 1, but decreasing it will increase the likelihood of error 2
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5
What is the rejection area/region of retention?
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6
What is the decision rule?
reject H0 if Z is more than Zc
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7
What is zc?
Critical value or target value of any particular equation.
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