Null hypothesis posits
In a paired-samples t test, the null hypothesis posits that the mean of the comparison distribution is:
Select one:
a. -1.
b. 1.
c. 0.
d. the same as the mean of the population.
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When conducting a paired-samples t test, we can assess the practical importance of our obtained results by calculating:
When conducting a paired-samples t test, we compare our sample mean difference to:
For the single-sample t test, the confidence interval is centered around the:
With very few degrees of freedom, the test statistic:
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