Sampling plans for upcoming study

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Reference no: EM132303469

You are considering various sampling plans for an upcoming study. Based on the descriptions below, please tell me whether the sampling plan is: SRS, systematic, stratified, or cluster

1. You divide up neighborhoods into a zip+4 areas (it’s a much smaller geographical area than a zip code – e.g., 78572-0435). You do a random sample to determine which zip+4 areas you will sample, and you survey all the homes within the selected zip+4 areas.

2. You want every person to have an equal probability of being chosen throughout the entire selection process.

3. There are three groups of people that you are interested in studying. You first determine how many you want to sample from each group (could be the same number or could be different), and you want to do a random sample for each group.

4. You assign a number to each person from a list and randomly choose a number for each person you select for the sample.

5. You choose one random number to select the first person in the sample and add a constant to that number to choose the other individuals.

Reference no: EM132303469

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