|reply to FFH |
Re: This is the compiled OPINION of....
said by FFH:....CR users who choose to answer... said by tshirt:
...84,000 CR users who choose to answer the annual questionnaire, a minute sample of the hundreds of millions of telecom users nationwide.
It is impossible for it to be a truly representative sample.
The sample size is statistically significant with a low error %.
Self selection rarely give a true picture.