4.1 symbols used in the data analysis
.The researcher has defined the meaning of the symbols in the presentation of data analysis to achieve the understanding in the interpretation and presentation of the data correctly. As well as the meaning of the matching data as follows:
.Instead, mean
N instead, students in the sample
S.D instead, standard deviation
t instead. สถิติทดสอบ used to consider in the distribution.
* instead, significant level. 05
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