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The key components of a frequency distribution table are:
- Categories or Intervals: Groups or ranges that the data values are divided into.
- Frequency: The count of how many times each category or interval appears.
- Cumulative Frequency (optional): A running total of frequencies up to each category.
- Relative Frequency (optional): Shows the frequency as a percentage of the total.
A frequency distribution table includes key elements that organize data effectively. The class intervals group data into specific ranges, simplifying large datasets into manageable sections. Each interval has a frequency, representing the count of observations that fall within that range. Additionally, the cumulative frequency column tracks a running total of occurrences, while the midpoint of each interval, or class mark, provides a central value useful for further statistical analysis.