Notice: five groups, all of the same width. There are no gaps – every length from 30 to 55 can be recorded. There are no overlaps between the groups – eg the inequality symbols show that exactly 35 cm ...
The TABLES statement requests one-way to n-way frequency and crosstabulation tables and statistics for those tables. If you omit the TABLES statement, PROC FREQ generates one-way frequency tables for ...
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