Dr. Mark Humphrys

School of Computing. Dublin City University.

Online coding site: Ancient Brain

coders   JavaScript worlds


Free AI exercises

Research - PhD - Appendix D - Appendix E

E Weighted sum and weighted mean

Consider a weighted sum of quantities tex2html_wrap_inline9210 :


A weighted mean is a weighted sum where tex2html_wrap_inline9644 such that tex2html_wrap_inline9646 . The ordinary mean is a special case of this with tex2html_wrap_inline9648 . A weighted mean may be greater than or smaller than the mean.

Appendix F

Return to Contents page.

ancientbrain.com      w2mind.org      humphrysfamilytree.com

On the Internet since 1987.      New 250 G VPS server.

Note: Links on this site to user-generated content like Wikipedia are highlighted in red as possibly unreliable. My view is that such links are highly useful but flawed.