In this argument, the speaker concludes that Forsyhe citizens have adopted healthier lifestyles. To justify this conclusion the seaker cites a recent survey of Forsythe citizens suggesting that their eating habits now conform more closely to government nutritional recommendations than they did ten years ago. The speaker also points out that sales of kiran, a substance known to reduce choleterol, have increased fourfold, while sales of sulia, which few of Forsythe's healthiest citizens eat regularly, have been declining. This argument is unpersuasive for several reasons.
First, the surbey must be shown to be reliable before Ican accept any conclusions based upon it. Specifically, the responses must be accurate, and the respondents must be statiscally significant in number and representative of the overall Forsthe citizenry in terms
