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29 Comments on Lies, Damn Lies, and Statistics!!
Hi Ken -- So true, and even psf can be a mine field. Ranches cost more to build then popping an extra level up, so their psf tends to be higher, functional obsolescence, design, corner versus interior lot, and a host of other factors can greatly skew the #s, let alone trend lines, a given seller's motivation, etc. It takes a very astute agent to really know a market.
Constantine, thanks for stopping by. Here's to a successful 2011 for all of us!
Irene, I totally agree. We always have to look at what helps our clients the most.
Larry, Exit polling showed 67% disagreed, but then 72% hit the "like" button, so I'm not sure what to think.
Rob, I believe medians are better to use than averages, but unfortunately it's not a stat that our MLS system always gives us.
Cory, thanks for reading!
Christine, thanks!
Kerry, as I mentioned to Rob our MLS doesn't always provide Medians. It does if the sample is small enough, but on searches with large results it won't give us a median. I also provide the numbers over time as well, which helps show how well a subdivision is doing (or not doing).
Chris, all good points, which is why it is so important to have a good agent to help interpret the stats on any given home/neighborhood/city.
Hi Ken - I love your graphic in the post.
It is extremely easy to prepare statistics to support all types of positions. You often need to understand statistics and in many cases you need to read between the lines.
Ken, the interesting thing about statistics is you can make them turn out any way you want. Comparing apples with oranges never works. Good Post!
Ken being that you are an engineer by trade and playing the numbers game is like hopscotch to children, I'd be very inclined to put stock in your statistics. Congrats on the feature.
Statistics distort and confuse. Find average price per foot above ground, below ground, attic etc., and you have still failed to quantify two of the main factors in a home's value. How does one go about quantifying average condition of sold homes? How about average specific location?
Ken,
I had to laugh at your blog, your are right statistics can be misleading. The stat you touted as most accurate in you market is the least accurate in mine. With the NWMLS SP/LP ratio is based on the last list price not the first and totally ignores relistings. So if a house originally lists for $500K, then drops the price to $450K, relists for $400K , drops to $350K, then again relists at $300K and then sells for $290K the LP/SP ratio would be 97%. Not the actual of 58%.
Good post on those darn numbers. Good to show sellers that overpricing by 10% to have a little 'lee way' is not a good idea. We never use the $ per square foot in our area & it's often times blank in our MLS - makes them (MLS stat guys) absolutely crazy where I guess in CA it's always put in. Go figure.
I get sales figures once a month for our area from the owner of our company & it's totally amazing on what 'he sees' and what I see. 9 times out of 10, I'm scratching my head saying what's he smoking?
Yep, stats can be friend or foe. Too many times, there's a story behind the story and without context. When comparing median price in a particular month, it would indicate that the city I live in has a higher median price that the neighborhing town. Yes, if all you looked at was a single month snapshot, where a large vineyard parcel with a single family home sold for a large sum of money, not at all representative of the 'norm' for the area.
Ken - When I had my accounting practice, we always use to say "Numbers don't lie, Liars use numbers!!"
Very good insights, Ken. The right context is what really gives statistics their meaning.
Ken - very good points. I just had a discussion about this with a seller who read an article about the average home price increasing in our area.
Marc, glad you liked the xkcd.com cartoon!
Michael, thanks for reading.
Charita, thanks for your confidence!
Mike, while I don't necessarily think they "distort and confuse", they absolutely can NOT be used in a vacuum without other information. However, I believe, with that other information they can be informative and helpful.
John, our SP/LP ratio is also based on most recent list price. In theory we have the same issue. However, if the average SP/LP is 97% it implies that a house probably isn't going to sell until it's priced properly, or the average would be lower. It does NOT mean that it's safe to put in an offer on a home that's 97% of list, because that specific home may be overpriced. It's more of a tool to use with listings to convince them to price accordingly.
Lyn, glad to see you get it, but careful what you smoke! :)
Karen, exactly my point. We have to provide the context for our clients.
Bill. Uh-oh. I use a lot of numbers.... Thanks for reading!
John, thanks for reading.
Erica, glad to see more numbers folks around!
Mark, hope it worked out well with that seller!
This is a great blog post about truth in numbers. I'm amazed by the number of short sale agents who have closed hundreds of short sales with a 95% closing ratio whose MLS track record is far, far from it. If you're going to use numbers, do so honestly and accurately.
Tony and Suzanne, I agree completely! Thanks for stopping by!
Ken-I like the quantitative approach in building a case for a course of action. It helps with most clients, but some just believe what they believe to be true and don't want to be confused with facts.
Wayne, I've also found that some people just aren't interested in the details. Just give them the results and they are happy. Thanks for coming by!
Ken, I post statistics from my board regularly, but they need interpretation. Like you say, they can easily be misinterpreted.