We code CONFIRM equal to one when the firm makes this disclosure and the firm's ROA is less than the mean of the sample.

26, indicating that roughly one-fourth of the sample is making a leading, confirmatory disclosure about future environmental capital expenditures even though profits for these firms are less than the mean of the sample.

The third, referred to as the "Biased Mean," was the

mean of the sample of patient ratings that resulted from differentially sampling patients as described above, where the most satisfied patients had a greater probability of being included.

Industry Average (arithmetic

Mean of the sample values);

Sites 1,4&6 Sites 2,3&5 Sites 1,4&6 Variable Inside Outside Total Chlorides Number of paired samples 77

Mean of the sample logs 4.

The current standard of marine beach water is that the geometric

mean of the samples (generally not less than 5 samples equally spaced over a 30-day period) should not exceed 35 enterococci/100 ml and individual samples should not exceed 104 en terococci (U.