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Sales ComparisonHARD16.4% of exam

A 1,980-sf ranch house in a neighborhood where prices have been stable is being appraised by relative comparison. Four recent sales of the same builder's floor plan are each rated similar to the subject overall. Sale 1 sold for $421,000, Sale 2 for $424,000 and Sale 3 for $426,000. Sale 4, which closed two weeks ago and is the most recent, sold for $468,000. What should the appraiser do with Sale 4?

Correct Answer

A) Examine it for a difference or data error the ratings missed before weighting it

Sales rated similar to the subject should sell near one another; a price about $42,000 above a tight cluster in a stable market means something the ratings did not capture, such as an addition, a view, an included item, a recording error or a non-market condition. The appraiser investigates the sale before deciding how much weight it deserves. Weighting it equally or most heavily lets an unexplained price move the value, and discarding it without investigation may throw away a valid sale or hide a feature the subject shares.

Answer Options
A
Examine it for a difference or data error the ratings missed before weighting it
B
Weigh it equally with the other three, since all four are rated similar
C
Give it the most weight, since it is the most recent of the four sales
D
Remove it from the analysis as a statistical outlier among the four sales

Why This Is the Correct Answer

Option A is correct because Sale 4's $468,000 price is far above the $421,000 to $426,000 cluster of sales also rated similar, in a stable market. That gap points to a difference the ratings missed or an error in the data, which must be investigated before the sale can be weighted.

Why the Other Options Are Wrong

Option B: Weigh it equally with the other three, since all four are rated similar

Option B weighs Sale 4 equally with the other three because all are rated similar. The price gap suggests the rating itself may be wrong, so equal weight would let an unexplained $468,000 price pull the value upward.

Option C: Give it the most weight, since it is the most recent of the four sales

Option C gives Sale 4 the most weight because it is the most recent. In a stable market a two-week-old sale has no time advantage that explains a price far above the others.

Option D: Remove it from the analysis as a statistical outlier among the four sales

Option D removes Sale 4 as a statistical outlier. Discarding it without investigating may lose a valid sale; the reason for the gap, once found, decides whether and how it is used.

Odd one out, ask why

When three peas sit together and one rolls far away, look at the pea before you count or toss it.

How to use: Use this when one similarly rated sale is far from the rest.

Exam Tip

Prefer investigating an unexplained gap over averaging it in, favoring it or deleting it.

Common Mistakes to Avoid

  • -Averaging in an unexplained high sale
  • -Favoring the most recent sale in a stable market
  • -Discarding a sale before learning why it differs

Concept Deep Dive

Analysis

The question tests the judgment needed when a sale rated similar sells far from other similar sales. The gap is evidence that the rating or the data may be wrong, so investigation comes before weighting or exclusion.

Background Knowledge

In relative comparison, sales rated similar overall should indicate values close to one another. When one does not, the appraiser verifies the sale and re-inspects its characteristics; the result may change its rating, call for an adjustment or show that it is not a market sale.

Real-World Application

An appraiser sees one similarly rated sale $40,000 above the rest. A call to the listing agent reveals a finished walkout basement not in the public record, so the sale is re-rated superior.

relative comparison analysisoutlierverificationweightingdata error
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