"C. E. White" <cewhite3@removemindspring.com> wrote
> "Lloyd" <lparker@emory.edu> wrote
>> Why don't you READ CR's explanation of their analysis
>> before spouting
>> off and looking stupid?
>
> http://www.consumerreports.org/cro/c...ity-faq_ov.htm
>
> I have read it and I still believe the little circle over
> emphasize small differences, that may not be statistically
> valid. In the discussion they talk about the average
> circle representing a failure rate of 2.5% (not an actual
> value, but their example).

In what part did you see this mention of 2.5 percent? I see
it only in section 4.2, and it says nothing like what you
say.

> Do you think that a sample size of 100 vehicles is enough

This is the minimum required sample size. If you read the
site linked above, it notes that 200-400 cars per model year
is usual.

I disagree with other points you are making.