The FREQ procedure provides easy access to statistics for testing for association in a crosstabulation table. In this example, high school students applied for courses in a summer enrichment program: ...
PROC FREQ computes Cochran-Mantel-Haenszel statistics, controlling for Gender. For stratified 2×2 contingency tables, these statistics include estimates of the common relative risk and the Breslow-Day ...
Shoe sizes of S1 class \(9, 8, 7, 8, 9, 9, 8\) Shoe sizes of S1 class \(7, 5, 10, 8, 8, 6, 6\) Shoe sizes of S1 class \(10, 5, 8, 6, 6, 10, 5\) Shoe sizes of S1 class ...
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 ...