Histogram - A graphical representation of frequency distribution., Class width - The difference between upper and lower class boundaries in a class interval., Frequency distribution table - A table that shows the number of occurances of each value of dataset., Class boundaries - The range of actual value of class interval., Lower class limit - The smallest value that can be included in the class interval., Class intervals - Range used to group data in a frequency distribution., Data - Facts, statistics or information that can be analysed., Upper class limit - The largest value that can be included in the class interval.,

Concept of class interval

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