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SCIENTIFIC-PRACTICAL PEER-REVIEWED MONTHLY JOURNAL.
INSTITUTION OF MINISTRY OF PUBLIC HEALTH OF THE REPUBLIC OF BELARUS

Testing of hypothesis: what is necessary to know about statistically significant difference

The article is dedicated to correct choosing of the criteria for comparison of two groups in scientific research. Several important terms and notations are considered comprehensively and clarified such as the null hypothesis, the significance level, type I and type II errors and the criteria power.

Authors: Tikhova G. P.