Transcription of Finding P-Values using the t-distribution
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Finding P-Values using the t-distribution
Finding P-Values using the t-distribution Here is an example showing the three methods that you can use to find the P- value when using the t-distribution . Example: Find the P- value for a left-tailed test with n=27 and test statistic t = Remember that the P- value is the probability of getting a test statistic that is at least as extreme as the one representing the sample data, assuming that the null hypothesis is true. So, in this case, we want to find the P(t < - ) with deg of freedom = n-1 = 26. Solution: You have a choice of using either 1) the t-table and find a range of values for the P- value 2) the T83 PRGM. 3) the tcdf DISTR. 1) To use the t-table, you need to look at the row for degrees of freedom = df = 26. and find the values for which the absolute value of the test statistic = =.
Finding P-Values using the t-distribution Here is an example showing the three methods that you can use to find the P-Value when using the t-distribution.
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