Episode 2 the arithmetic mean value analysis The variance and tests the value f (F-test) of the points measured achievement before the trial of a student group that teaches using Interactive Science Simulations with student groups that teach as usual.Table 2 arithmetic mean value, variance To test the value of measuring points (F-test), the former Yugoslav Republic of achievement prior to the trial of a group of students taught using Interactive Science Simulations (Group 1) and the normal school student groups (2 groups)Experimental group N ¯ (x) variance F p.Group 1: 20.26 26 14.54 1.09 0.44Group 2: 13.31 16 18.63 *p≤.05From table 2, when testing the condition of the variance of the score achievement before the experiment of teaching a group of students using Interactive Science Simulations with a student group that teaches on a regular basis to test the value f (F-test) I found that the variance of the groups that teach using Interactive Science Simulations (Group 1) and the normal school students of the Group (Group 2) was not significantly different at .05 level statistics.
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