An analysis of the data. The research. Researchers analyzed the data to compare achievement scores. Official test score from the test score after school before class and by multimedia. Scripting matters by using the sample that is dependent t-test. t =(∑D)/█(√(〖n∑D 〗^2-(〖n∑D) 〗^2 )@n-1) Df = n –1 When D = difference between the trial and after trial before a score of each sample. N = number of samplesFor example, the number of 25 people by the scores of the students. Practice between classes and score.
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