When a researcher uses a table of random numbers to select a sample, the researcher closes both eyes and blindly points a finger to a number on the table, identifies the numbers closest to his or her finger, and then continues identifying numbers
in which direction? 1. Up and down.
2. Right and left.
3. Diagonally.
4. Any.
4
Rationale 1: This option identifies only one direction when any direction may be used to select a simple random sample as long as the direction is followed systematically.
Rationale 2: This option identifies only one direction when any direction may be used to select a simple random sample as long as the direction is followed systematically.
Rationale 3: This option identifies only one direction when any direction may be used to select a simple random sample as long as the direction is followed systematically.
Rationale 4: Simple random sampling requires that the numbers of elements to be selected from the total population must be determined from any direction, provided that the same direction is used systematically until the total sample is selected.
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