1. Let's say there are 10,000 lawyers in the USA and 500 of themare Oreo cookie lovers. These 500 lawyers consume a total of 500Oreo cookies in a given time period out of 2,000 cookies sold. Whatis the BDI for Oreo cookies consumed by lawyers.
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1000Â Â Â Â Â
500
     Â
100
50
2. In this sampling method we believe there are significantdifferences between groups comprising the population. Here weassign the population into groups and then try to replicate thosepercentages present in the population in our sample. As a result werandomly select people out of each group to try and get arepresentative sample from each of the groups of interest. Whichsampling method is this?
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Stratified
Purposive
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Cluster
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Systematic
3. Sometimes you may want to study a group of people that havevery specific interests or behaviors. Once you find one individualyou ask them if they have any friends you can talk to, you then askthe friend if they have any friends, and so on and so forth. Thisis called what?
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Snowball sampling
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Probability sampling
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Convenience sampling
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Branch sampling