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A 3NF design avoids redundancy and data integrity problems that still can exist in 2NF designs.
Cumulative Frequency
The sum of frequencies accumulated up to a certain point in a distribution, showing the number or proportion of observations below a particular value.
Cumulative Relative Frequency
The accumulation of the previous relative frequencies up to a certain class or point, representing the proportion of observations.
Percentage
A proportion or share represented as a fraction of 100, used to express how large or small one quantity is relative to another quantity.
Hours Worked
The total time spent by an individual performing tasks or activities related to employment within a specified period.
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