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#quantitative-methods-basic-concepts #statistics
A frequency distribution is a tabular display of data categorized into a small number of non-overlapping intervals. Note that:

  • Each observation can only lie in one interval.
  • The total number of intervals will incorporate the whole population.
  • The range for an interval is unique. This means a value (observation) can only fall into one interval.
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Subject 3. Frequency Distribution
; An interval, also called a class, is a set of values within which an observation falls. Each interval has a lower limit and an upper limit. Intervals must be all-inclusive and non-overlapping. <span>A frequency distribution is a tabular display of data categorized into a small number of non-overlapping intervals. Note that: Each observation can only lie in one interval. The total number of intervals will incorporate the whole population. The range for an interval is unique. This means a value (observation) can only fall into one interval. It is important to consider the number of intervals to be used. If too few intervals are used, too much data may be summarized and we may lose important characteristics; if too many inte


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