pinqy
Gold Member
60,000 a month compared to over 300 million?
No, 60,000 households (around 110,000 individuals) to represent around 250,000,000 people. Children under16, the military, people in prison or other institutions aren't covered.
Sample size is fine.
Link???
Besides Statistiscs 101????
Sample Size Calculator - Confidence Level, Confidence Interval, Sample Size, Population Size, Relevant Population - Creative Research Systems
Population size around 250,000,000
Sample size around 120,000
95% confidence level
Interval of about 0.3%
Sample size is fine. Larger is better of course, but there is the practical expense.