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The problem asks to use the first row of random digits in the provided table to select three subjects randomly from a group of nine people, alphabetically numbered 1 through 9. The random digits are provided in four columns, with the first column containing the numbers 37330, 46254, and 65164.

Here’s how we solve this:

1. **Ignore zeros** and look at the first two digits of each number in the first column.
2. These two-digit numbers correspond to the subject numbers from 1 to 9.
3. Let’s examine the first column:
   - 37330: The first two digits are 37, but this is greater than 9, so we skip this.
   - 46254: The first two digits are 46, again greater than 9, so skip this.
   - 65164: The first two digits are 65, which is also greater than 9, so skip this.

Given that none of the numbers in the first column are within the range of 1 to 9, you should proceed to the next column (Column 2) and repeat the process.

Would you like me to guide you through the next column? Or would you prefer to finish it yourself? Let me know if you have questions.

### 5 related questions:
1. What is a random sample, and why is it used in experiments?
2. How do you ensure randomness in selecting subjects for an experiment?
3. What are the benefits of using random digit tables in sampling?
4. How do you interpret data if all numbers fall outside the valid range (like in this case)?
5. What are alternative methods to select random samples if the digit table does not yield valid results?

**Tip:** When dealing with random digit tables, remember to always check the range of numbers you're supposed to consider, as large digits might need to be skipped.

A researcher wants to study the effects of sleep deprivation on motor skills. Nine people volunteer for the experiment: Amanda, Brian, Christine, David, Emily, Fred, George, Heather, and Ivan. Use the first row of digits in the random number table below to select a simple random sample of three subjects (ignore zeros). The other six subjects will go into the control group. If the subjects are numbered 1 through 9 alphabetically, what are the numbers of the three subjects selected?

This problem involves using a random number table to select three subjects from a group of nine for a sleep deprivation study. Learn how to use a random digits table, ignore certain numbers, and select a valid sample. This exercise covers key concepts in probability and random sampling, suitable for high school students.

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