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Frequency Distributions definitions

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  • Frequency Distribution
    A table organizing the number of measurements within specified groups or categories, aiding in data analysis.
  • Class
    A group or interval used to categorize data values within a frequency distribution.
  • Lower Class Limit
    The smallest value that can belong to a particular group in a frequency distribution.
  • Upper Class Limit
    The largest value that can belong to a particular group in a frequency distribution.
  • Class Width
    The difference between consecutive lower or upper class limits, often rounded for convenience.
  • Class Midpoint
    The average of the lower and upper boundaries of a group, representing its center value.
  • Relative Frequency
    The proportion or percentage of data values falling within a group compared to the total number.
  • Tally
    A counting method used to keep track of the number of data values in each group before finalizing totals.
  • Interval
    A continuous range of values defining the boundaries of a group in a frequency distribution.
  • Data Set
    A collection of individual measurements or values to be organized and analyzed.
  • Measurement
    A single observed value within a data set, assigned to a group in a frequency distribution.
  • Percent
    A way to express relative frequency, showing the proportion of data in a group out of 100.
  • Table
    A structured arrangement of data, often used to display frequency distributions for clarity.
  • Maximum
    The largest value present in a data set, used to determine group boundaries.
  • Minimum
    The smallest value present in a data set, used to determine group boundaries.