Arbitron's sampling methodology isFARmoreimportantthanMrorMrsDePetro's misdeeds

[Don A]

>> Part of why people in the industry take it so seriously is that the
>> numbers are relatively stable month after month.
>
> In smaller markets, there are only two ratings periods per year and fairly 
> big swings are not unusual.


Even with 2 ratings periods per year, that's 6 individual months of results.

If there is an abberation it can still be seen.