Note that under this hypothesis, the statistic has a t-distribution with n-1 degrees of freedom. Finally, use the tables of the t-distribution to get the value of the tn-1 distribution. Comparing the value of T to the derived distribution will give the p-value for the paired t-test. ...
statistic: the value of the t test statistics parameter: the degrees of freedom for the t test statistics p.value: the p-value for the test conf.int: a confidence interval for the mean appropriate to the specified alternative hypothesis. estimate: the means of the two groups being compared ...
Step 3: Based on the significance level you chose and the type of tail, you find the critical t-statistics by either looking at a t-distribution table or use a calculator or Excel. Then, you clearly state your rejection region Step 4: You compute the t-statistic using the formula specifi...
The test statistic is based on the median of the differences of the paired observations across the two samples, and can be used on non-normal data. The test makes the following assumptions: The data are continuous numeric. The units are randomly sampled. ...