Hello VU students here is the solution of STA630 GDB Spring 2019. GDB total marks 5. GDB
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GDB Solution:
Of course, the probability is most popular due to its generalization
but it depends upon number of criteria that which type of sample is
appropriate, Probability or Non probability.
There are different types of sampling probabilities. It is most important
point that which kind of sample probability is fit for analysis. For this we
take and screen the data and then we decide the appropriate kind of
probability.
There are five most relevant points of criteria to help us for choosing
the appropriate sample.
1- Degree of accuracy
2- Re courses
3- Need of statistical Analysis
4_ National Vs local project
5- Advance knowledge of population
Conclusion:
If these 5 numbers of criteria required and want the Accuracy,
generalization sampling arid calculation then we apply some statistical test
and choose the probability sample because it is:
1- More reliable and authentic
2- Cost has less value and accurate result
3- There is no single prediction for the whole project
4- Results give large change
5- Initial result will be acceptable for other research
If non accuracy, unlimited resources and hidden knowledge of population
are given and no need of perfection, then we choose the non-probability sample.
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