Evaluating different sampling methods
{"Image DocumentName": "Evaluating different sampling methods", "Image ImageDescription": "Quota sampling. \uf0fc This is easier to manage. \uf0fb It could be biased. For example, if you are only asking. people on the street or in a shop, the sample might not. represent people at work all day. Stratified sampling. \uf0fc It is the best way to reflect the population accurately. Ask pupils to come up with their own advantages and disadvantages before displaying these. \uf0fb It is time consuming and you have to limit the number of. relevant variables to make it practical.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}