unit 2
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MAN (STAT)TRANSCRIPT
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Unit 2
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In snowball sampling, an initial group of respondents is selected, usually at random.
– After being interviewed, these respondents are asked to identify others who belong to the target population of interest.
– Subsequent respondents are selected based on the referrals.
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Seatwork – Group @ most 4 members per group
1.You want to assess the level of performance of 2500 nurses working in a certain city. The problem is some of them are not available as respondents of your study. Compute your sample size using1%, 2% and 5% margin of error.
2. Use stratified random sampling to solve for the sample size of the given table below (e = 4%).
Educational QualificationsUniversity Bachelors Masters Doctoral
WU 82 45 13
GU 95 47 20
SU 108 39 18