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What is the oxygen-inhibited layer on cured dental sealant?
Alpha
In statistics, alpha often denotes the level of significance, a threshold below which the null hypothesis is rejected.
Chi-Square
A statistical test used to determine if a significant relationship exists between two categorical variables in a contingency table.
Degrees of Freedom (df)
Number of values or quantities free to vary when a statistic is used to estimate a parameter.
Expected Frequency
In statistics, the frequency expected in a category of a contingency table under the assumption that the null hypothesis is true.
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