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STA630 Assignment No 01 Fall 2019 Solution & Discussion

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Sta 630

First Scenario:
Type of Sampling: Non-Probability
Sampling Technique: Stratified Sampling Technique
1. In this method, the population is first divided into groups (or strata) who all share a similar characteristic. In this given Scenario, researcher needs to develop sampling frame of each group based on provincial city (strata).
2. It is used when we might reasonably expect the measurement of interest to vary between the different groups, and we want to ensure representation from all the groups.
Second Scenario:
Type of Sampling: Non-Probability
Sampling Technique: Snowball Sampling Technique
1. The first quite obvious justification is that the researcher decided to contact with the respondents using chain referrals which is itself a snowball sampling technique.
2. Secondly, the chain referral process (snowball sampling technique) allows the researcher to reach populations that are difficult to sample when using other sampling methods. The process is cheap, simple and cost-efficient.

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