Answer the following statement(s) true (T) or false (F)

1. In a probability sample, the probability of selection is unknown.
2. Probability sampling methods have no systematic bias.
3. The fraction of the total population that a sample contains largely affects the sample’s
representativeness.
4. Simple random sampling in a survey can be achieved by simply selecting the first
people who walk by you on a street corner.
5. The demographic characteristics of people who use cell-phones only do not differ
from the generational population.


1. FALSE
2. TRUE
3. FALSE
4. FALSE
5. FALSE

Social Work & Human Services

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