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How are grouped columns ungrouped?
Grocery Store Chains
A series of retail grocery stores operating under the same brand and management, offering a variety of food and household products.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true; used as a threshold for determining the statistical significance of a test result.
Sample Data
A subset of data collected from a larger population, used to make inferences or predictions about the population.
Hypotheses
Propositions or statements made for the purpose of testing through research and experimentation, often predicting a particular relationship between variables.
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