CLIMET INSTRUMENTS CI-90A - Page 11

CI-90A User’s Manual
Page 5
observed approaches the number of perforations, the greater the undercount. The easiest
way to correct the observed values into Probable Statistical Totals is to use the table in
the appendix. Look up the observed value in column A, and find the Probable Total in the
adjacent column B to the right. For example, given these two values:
Colonies counted
Probable Total
210
330.8
308
856.1