A researcher wants to study the effects of sleep deprivation on motor skills. Ni

Question

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 firstfirst 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? List the subjects that will go in the treatment group.

Line/Column (1) 12663 12663 41156 41156 64019 64019 98021 98021

(2) 16902 16902 87195 87195 56738 56738 04609 04609

(3) 63949 63949 92781 92781 15758 15758 58246 58246

What are the numbers of the three subjects selected?

Explanation / Answer

Since there are only 9 subjects to choose from, a single digit random number would suffice. Starting right from the start of the forst row, the numbers of the three subjects selected are: 1, 2 and 6.

And the selected subjects are: Amanda, Brian and Fred,  

DONE

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