The article “Valuing Watershed Quality Improvements Using Conjoint Analysis” (S. Farber and B.

Griner, Ecological Economics, 2000:63–76) presents the results of a mail survey designed to assess opinions on the value of improvement efforts in an acidmine degraded watershed in Western Pennsylvania.

Of the 510 respondents to the survey, 347 were male. Census data show that 48% of the target population is male. Can you conclude that the survey method employed in this study tends to oversample males? Explain.