Statistical Errors In Mason City

Firstly, the author cited surveys without proving their reliabilities.
It is possible that statistical errors be included in the surveys.
As the most important factor of a survey, the studied subjects should be introduced.
For example, If the subjects are youth, they do not have total control on where or when to do water sports, thus would not reflect the overall preference for sports of Mason City residents.
Moreover, the author used indirect surveys.
Even if the subjects are general enough to make conclusions for every resident, the author equalized ranking and actually doing activities.
Ranking water sports as favorites do not necessarily guarantee they would do it in the near future.
If Mason City is extremely cold, residents may