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a = cluster sampling
b = systematic sampling
c = random sampling
d = systematic sampling
e = stratified sampling
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Arsy ki malomat ko cross sectional data kehty hian
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cluster
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Cross-sectional data is like taking a photo of a group of people all at once. It shows what they're like at that exact moment, but it doesn't follow them over time. For example, if you want to know what TV shows people like, you can ask a bunch of people at one time, and that data is cross-sectional. It's like a snapshot of their preferences at that moment.
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done
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Murshid, your teaching method is very beautiful and very easy for students
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Perfect😊
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Amazing teaching style with good knowledge.
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Very compressive no question left
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MA SHA ALLAH, Sir
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