14.8 Intro to Inferential Statistics

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Pre-Calculus

Statistics

Inferential Stats

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7 Terms

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P-value
A(n) ________ smaller than the significance level of the test indicates that we should reject the null hypothesis.
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Entire population
The goal of inferential statistics is to infer information about a(n) ________ by examining a random sample from that population.
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P value
The ________ at which we decide to reject the null hypothesis is called the significance level of the test and is denoted by alpha (α)
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P value
The ________ associated with the observed sample is the probability of obtaining a random sample with a proportion at least as extreme as the proportion in our random sample, given that H0 is true.
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The null hypothesis is that the medication (the treatment) has no effect
 p1=p2
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The alternative hypothesis is that the treatment does have an effect
 p1
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Significance level
The p-value at which we decide to reject the null hypothesis