The statistical Index

where is the price per unit in period , is the quantity produced in period , and is the value of the units.

**References**

Kenney, J. F. and Keeping, E. S. *Mathematics of Statistics, Pt. 1, 3rd ed.* Princeton, NJ: Van Nostrand, pp. 66-67, 1962.

© 1996-9

1999-05-26