Cochran's C

Related Overviews


'Cochran's C' can also refer to...

C. B. Cochran (1872—1951) impresario


More Like This

Show all results sharing this subject:

  • Psychology


Quick Reference

In statistics, a test of the assumption of homogeneity of variance required by procedures such as analysis of variance (ANOVA), namely that several groups come from populations with the same variance. Cochran's C test is based on the ratio of the largest group variance to the sum of all the group variances. [Named after the Scottish statistician William Gemmell Cochran (1909–80) who developed the test in 1947]

Subjects: Psychology.

Reference entries