STA632 Final Term Live Quiz 2025 by Miss Mehwish
- Type
- Final term past paper
- Course
- STA632 Sampling Techniques
- Size
- PDF 1.2 MB
- Updated
- 23 Oct 2026
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Text from pages 2, 3, 4 of 13. Download the file for all 13 pages.
1000 or less What is a potential advantage of using the regression estimator in survey sampling?
interest. ✔ In R, which function is commonly used to perform probability proportional to size sampling?
sample() ✔ psize()
In survey sampling, what is the use of ratio estimator?
variable in survey sampling?
Culster random sampling
In sampling methods, what does "probability proportional to size" mean?
The probability of selecting a unit is directly proportional to its size or measure ✔ Sampling units are chosen randomly from the population Sampling units are selected based on their alphabetical order All units in the population have an equal chance of being selected
1962 1667 1952 1662 ✔ If the ratio estimator is unbiased, what can we conclude about its expected value?
What condition must be satisfied for the ratio estimator to be unbiased?
What condition must be satisfied for the ratio estimator to be unbiased?
sample?
100 or less ✅
1000 or less What is a potential advantage of using the ratio estimator in survey sampling?
interest. ✅ In survey sampling, what is the use of ratio estimator?
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