Sample Data Flashcards
Convenience sample?
Any ones are selected randomly!
The first five are selected.
Simple random sample?
Each member of the population has the same chance of being selected
• Generate random number for each member of the population and select the 5 with the smallest of these
Systematic sample?
A random number from 1 to X is generated, which indicates the first member to select. Then every Xth member of the population is selected
• Say that the random number is 6. Then select the 6th member of the population and every 6th member from this first one (ie the 12th, the 18th, etc)
Cluster sample?
Each member of the population is randomly assigned in a group, then a group is randomly selected and a simple random sample is taken of that group
• Generate random number for row select the row with the lowest one. For each member of that row generate a random number and select the lowest 5.