3 ms·
No that's what I meant. People shopping and therefore not at work. Therefore intuitively I would expect the population tested to be less contaminated than the p
by cm2187 7y ago
No that's what I meant. People shopping and therefore not at work. Therefore intuitively I would expect the population tested to be less contaminated than the population not tested (because at work).
- deleted 7y ago[deleted]
- watwut 7y agoPeople who work also shop. People who work in stores also shop in stores. At that time, they could be randomly tested like non-workers. So workers are not excluded from study.