Experimental research to study the effects of using a series of remedial teaching in mathematics learning.Primary 4 researcher sampling students from number 25 people learning math taThen the experiment teaching. After the experiment, test and measurement ฤทธ์ิ mathematics of the students.This group appeared to score 22 rate and standard deviation 5.6, test that use.Instruction set is applied. The remedial mathematics was higher than the GA set is 17 points.Whether or not the level discipline SA significant level. 05.Concentrate, which 1 hypothesisStatistical hypothesis H0: . 17.H1: . 17.Concentrate, which 2 GA with the level of importance, connotation, . 05,,Concentrate, which 3 choose statistics were used to test the hypothesis.S n.T X .; DF = n - 1.Concentrate, which 4 GA the extent of the crisis.From GA set =. 05 and it is hypothesized one way DF = 25-1 = 24 open.The table that =. 05 returns the crisis t = 1.711 (t table = 1.711).Concentrate, which 5 beams were calculated according to the formula.S n.X.T. .; DF = 25 - 1 = 24.5.6 25.22 17.T .1.12.5.= 4.46.Concentrate, which 6 Summary decision.When t Ka calculations t table will decline H0 and accept H1.When t Ka calculations t table will accept H0.Because t Ka calculate = 4.46 than t table = 1.711 so refused H0 accept H1.Is after the use of to ta. The remedial mathematics was significantly higher than that set is GA17 rate significantly SA significant level. 05.
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