Random sampling involves selecting individuals by chance, giving each individual an equal probability of selection, often achieved by using a grid and random numbers to determine sampling coordinates.
في العينات العشوائية، يتم اختيار الأفراد بشكل عشوائي، ولكل فرد فرصة متساوية في الاختيار. يمكن تحقيق ذلك عن طريق تقسيم المنطقة إلى شبكة واستخدام أرقام عشوائية لتحديد المواقع التي سيتم أخذ العينات منها.
| Front | random sampling 4.2.1(b) |
|---|---|
| Back | random - selecting individuals by chance, each indual has equal chnace of selection e.g by marking out a grid using 2 tape measures at right angles, use random numbers to determine coords and smaple in that area |
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