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\subsubsection{Statistical Treatment of Data} \\  T-distribution for dependent samples statistics is used to validate further the correctness and accuracy of the results derived from the research instrument. By using the paired-sample design of t-distribution, the researchers can determine if the user has significantly improved their knowledge from the presentation. The formulas that will be used by the researchers are as follows:  Before solving for the t-distribution, the mean, standard deviation and standard error has to solve first.