A Moving Average using 15 points having weights , , , 3, 21, 46, 67, 74, 67, 46, 21, 3, , , and . It is sometimes used by actuaries.

**References**

Kenney, J. F. and Keeping, E. S. *Mathematics of Statistics, Pt. 1, 3rd ed.* Princeton, NJ: Van Nostrand, p. 223, 1962.

© 1996-9

1999-05-26