So Sick of This Speeding Ticket Article.

We've all seen it, and frankly the first 3 cars make pretty good sense -except I have no idea how the Mustang didn't end up on that list- but we all wondered how the Mercury Topaz or Suzuki Reno even made it, having been discontinued for years. claimed to have used a sample size over over 500,000 cars.

The real kicker comes when you also factor in the number of different cars on the road today, so for the purpose of science let's say there's 500 different models.

Okay so with 500 different cars, that leaves us with a sample size of 1000 cars per model. But this raises a few questions:

  • How are they coming about the sample size?
  • Are there even 1000 of those cars on the road today?
  • Are they using equal random sample sizes?

So, let's say they do use equal sample sizes; does that really make sense? A Ford F150, for example, has millions of units sold each year, where a WRX is a fraction of that. This makes comparing the two vehicles difficult without selecting a fair value for both. This value can be subjective though, as might have not gone about picking the vehicles they were using in a fair manner.


Now, let's say that they didn't use equal sample sizes, but instead focused more on the percentage of each car. This makes an even bigger mess of everything. What if there are 300,000 Cadillac Escalades used in this experiment? That would make for a smaller sample size of each other vehicle. Let's say for the Mercury Topaz they used a sample size of 37 vehicles. So in order to reach their ticketed percentage of 28.8%, that would require 10.656 vehicles, or for the sake of this argument we'll say 11.

Now I don't know about everyone else, but 11 drivers out of 37 vehicles seems pretty average if you ask me. And by just a few more drivers getting tickets the percentage could easily be skewed.

I'm sure I'll have some opponents on my position, but I refuse to blindly follow these numbers they gave without actually knowing how the "experiment" was conducted.

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