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To further support her claim the author cites the fact that Adams sold more properties last
year than Fitch. However, the author overlooks the possibility that last year's sales volume
amounted to an aberration, and that in most other years Adams has actually sold fewer
properties than Fitch. Moreover, the disparity in sales volume can readily be explained by
factors other than the comparative quality of the two fkrrns. Perhaps Adams serves a denser
geographic area, or an area where turnover in home-ownership is higher for reasons unrelated
to Adams' effectiveness. Or perhaps sales volume is higher at Adams simply because it
employs more agents, and each Adams agent actually sells fewer homes on average than
each Fitch agent does. Without ruling out such alternative explanations for the disparity in
sales volume, the author cannot defend the conclusion that based on this evidence that
Adams is superior to Fitch.
In further support of her claim the author points out that the average sales price of a home
sold by Adams is greater than the average price of a home sold by Fitch. However, this
evidence shows only that the homes that Adams sells are more valuable on average than the
ones that Fitch sells, not that Adams is more effective in selling homes than Fitch. Moreover, it
is possible that a few relatively high-priced or low-priced properties skewed these averages,
rendering any conclusions about the comparative quality of the two firms based on these
averages unfair.
For additional support the author points out that it took Fitch Realty considerable longer to
sell one of the author's homes than it took Adams Realty to sell another one of her homes ten
years earlier. However, this disparity is explainable by other plausible factors, such as
changing economic conditions during that ten-year period, or a difference in the desirability of
the two properties. Without establishing that all other factors affecting the speed of a sale were
essentially the same for the two homes, the author cannot rely on this limited anecdotal
evidence to support her daim.
In conclusion, the author's evidence lends litde credible support to her claim. To persuade
me that Adams is better than Fitch, the author would need to provide clear evidence that
individual Adams agents are more effective in selling homes than individual Fitch agents, and
that the disparity in home sales and sales price is attributable to that difference. Finally, to
better evaluate the author's claim we would need more information comparing the percentage
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