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d21lewis said:
ICStats said:

More likely, this is just reflecting an error in one of the counts.  NPD extrapolates data from a portion of stores, and a difference of 2.1% here is well within the error margin.

Possible. But are we going pick and choose when to believe? If so, what metric will we use as a credible sales source?

We can trust NPD as the most credible source of sales, and still acknowledge that it's margin of error can explain anomalies like > 100% attach rate.



My 8th gen collection