Entering Grouped Data

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Grouped data is entered into a grouped data frequency table.  The Group column contains the bounds of the groups and the attached frequency column(s) contain the number of data points in each group.


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What do the Group Entries Mean?


The bounds of the groups are entered as two numbers separated by a hyphen;  lower bound – higher bound.


For example:


20 – 30                for data points where                20 x < 30

30 – 40                for data points where                30 x < 40


It is important to note that a value of 30 should go into the second group.



The stat tool gives you the power to automatically group data using the Group, GroupN, GroupE and GroupW functions.