What is meant by size of class intetval in data handling?
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Ideally, we should have between five and ten rows in a frequency table. Bear this in mind when deciding the size of the class interval (or group). Each group starts at a data value that is a multiple of that group. For example, if the size of the group is 5, then the groups should start at 5, 10, 15, 20 etc.
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Some are used to store numbers, some are used to store text and some are used formuch more complicated types of data .
...
The data types to know are:
String (or str or text). ...
Character (or char). ...
Integer (or int). ...
Float (or Real). ...
Boolean (or bool).
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