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: ...

computes a chi-square goodness-of-fit test for specified proportions. The chi-square goodness-of-fit test examines whether the children's hair color has a specified multinomial distribution for two ...

Grouped frequency tables are a way of showing data in groups. Set up a new column to write the midpoint of each class. Set up another column to multiply each midpoint by its frequency. Find the sum of ...

Quartiles are the values that divide a data set into quarters: Put the values in order Divide the list into four equal parts The Quartiles are at the divisions The interquartile range shows the range ...

Frequency tables are often encountered which cannot be directly observed. Examples occur in gene frequency estimation problems, latent structure analysis, epidemiology, and studies of group ...