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# pvalue - that corresponds to the calculated value of the...

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1 P-value In statistical hypothesis testing, the p-value is the probability of obtaining a test statistic at least as extreme as the one that was actually observed, assuming that the null hypothesis is true 1 This means that we need to find the area of the tail beyond the observed value of the statistic (1 or 2 sided). Level of significance ( α ) is also the tail area but is a specified value (usually 0.05) and does not depend on the data. Finding the P-Value. Find the value in the appropriate (z or t) table

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Unformatted text preview: that corresponds to the calculated value of the test statistic. • Report this value if the test is one tailed and the results are on the critical side of the hypothesized value. • Report .5000+the value if the test is one tailed and the results are on the non-critical side of the hypothesized value • Report double the value if the hypothesis is two tailed 2 3 4 5 6 2 7...
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pvalue - that corresponds to the calculated value of the...

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