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W.Edwards Deming believed that primary responsibility for quality improvement rested with
Chi-squared Goodness-of-fit Test
A statistical test used to determine if observed data fits an expected distribution.
Expected Frequencies
The anticipated count of occurrences across different categories or intervals, based on a probability model.
Observed Frequencies
The actual number of occurrences or instances recorded in categorized data.
Null Hypothesis
A statement in statistics that there is no significant difference or effect, and any observed difference is due to chance.
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