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9 Pages • Essays / Projects • Year Uploaded: 2020
this is Data analysis project for year 11 details for my project Type of data: Nominal Sort of sampling method to collect data: Stratified sampling method Two advantages of Stratified sampling method: A stratified sample can provide greater precision than a simple random sample of the same size. Because it provides greater precision, a stratified sample often requires a smaller sample Two disadvantages of Stratified sampling method: Stratified random sampling also presents researchers which Can't be Used in All Studies Chances of bias
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