a sample is considered to be \nif one or more...
a sample is considered to be \nif one or more parts of the population is more likely to be selected for the sample.\nbiased\nunbiased
Answer
# Brief Explanations:
In sampling, if some parts of the population have a higher chance of being selected, it leads to a non - representative sample. This non - representativeness is the essence of bias in sampling.
# Answer:
biased