The number of degrees of freedom associated with the t test, Ask an Expert

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The number of degrees of freedom associated with the t test, when the data are gathered from a matched pairs experiment with 13 pairs, is:

When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population proportions. If the value of the test statistic z is 2.05, then the p-value is:

a. 0,4798

b. 0.0404

c. 0.2399

d. 0.0202

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