First, let’s look at the when the Toyota unintended sudden acceleration fatal accidents* happened:
The distribution does seem to be fairly uniform from 2004-2008, with an increase in 2009. Interestingly, 5 of the crashes in 2009 occurred in the first half of the year and the other 12 occurred in the 2nd half.
Next is a bar chart of the number of fatal accident by the year make of the car. Given that we saw more crashes in 2009, we’d expect the distribution of year make of car to be skewed towards 2009. But instead, it looks like this:
Why would we see more fatal crashes in 2009 if 2005 cars were one of the big culprits?
For more information, see my previous post
*using data from the LA Times
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