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 ian. use the two - digit numbers 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) (2) (3) (4) 1 54105 03042 38811 41800 2 06053 27387 11152 46008 3 74943 71008 50084 22574 what are the numbers of the three subjects selected?

Explanation:

Step1: Read random - number table

Start reading the random - number table row - by - row, left - to - right. Ignore zeros and numbers greater than 9.

Step2: Select first number

The first non - zero number less than or equal to 9 we encounter is 5 (from 54105).

Step3: Select second number

Continuing to read, the next valid number is 3 (from 06053).

Step4: Select third number

The next valid number is 7 (from 27387).

Answer:

5, 3, 7