group of veterinarians at a major veterinary hospital was interested in investigating a possible link between enteroliths (stones that form in the colon of horses) and diet. They decided to conduct a survey of the feeding practices for horses admitted to the veterinary hospital. To obtain a simple random sample, they used a computer to generate 4-digit ID numbers for all horses. They used random digit tables to select
A group of veterinarians at a major veterinary hospital was interested in investigating a possible link between enteroliths (stones that form in the colon of horses) and diet. They decided to conduct a survey of the feeding practices for horses admitted to the veterinary hospital. To obtain a simple random sample, they used a computer to generate 4-digit ID numbers for all horses. They used random digit tables to select the horses. Which of the following is a step in selecting a random sample by this procedure?
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Pick a random starting point in the table and read 4 digits. |
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Read 4 digits across a line, and if the 4 digits correspond to a horse ID, select the animal. |
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Discard any sequence that does not correspond to a horse ID, and move to the next 4 digits. |
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All of the answer options are correct. |
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