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When you delete a record from a table a dialog box displays to confirm the delete operation
Observed Frequencies
The actual number of occurrences of events measured or recorded during a study or experiment.
Normal Distribution
A symmetric bell-shaped frequency distribution that is fully defined by its mean and standard deviation.
Intervals
Ranges between two points or values, often used in statistics to indicate the confidence or probability associated with a specific estimate.
Hypothesis
A proposed explanation made on the basis of limited evidence as a starting point for further investigation.