| null hypothesis |
The proposal that no difference exists between groups or that there is no association between risk indicator and outcome variables. If the null hypothesis is true then the findings from the study are the result of chance or random factors. The overall purpose of a typical study is to "reject the null hypothesis. ...
출처: www.musc.edu/dc/icrebm/statisticalsignificance.htm...
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| null hypothesis |
When performing an experiment to determine whether an item under examination results in significant difference from another approach, the null hypothesis states that there is no difference. The null hypothesis is usually identified as H0.
출처: www.cs.wpi.edu/~gpollice/cs562-s03/ExamDefinitions...
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| null hypothesis |
In the ANOVA context, a statement that there is no difference among a set of true means. In other statistical settings, the statement similarly refers to an absence of interesting differences. Because observed means are estimates of the true values, statistical machinery is invoked to determine the validity of the hypothesis. The fallibility of data implies that some incorrect decisions are inevitable.
출처: instructional1.calstatela.edu/dweiss/Psy302/Glossa...
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| null hypothesis |
the prediction that there is no relationship between your treatment and your outcome.
출처: www.socialresearchmethods.net/tutorial/Colosi/lcol...
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| null hypothesis |
The general assumption in statistics that two populations or two sub-groups are equal until proven otherwise. If the difference in survey results is large enough that it would not be likely to occur by chance, you reject the null hypothesis and conclude the difference between the sample "is statistically significant at the confidence level you were testing.
출처: www.bellomyresearch.com/definitions.htm
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