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It really depends on the sampling characteristics and the observed population distribution. If iPhone buyers are very consistent and follow a normal distributio
by abakker 9y ago
It really depends on the sampling characteristics and the observed population distribution. If iPhone buyers are very consistent and follow a normal distribution, it could be ok.
- trendia 9y agoThey don't even need to follow a normal distribution; the central limit theorem will apply to most naturally-occurring distributions.