, The sampling method used for week 5 lab assignment to collect heights was the convenience
sampling. Convenience samples can provide rich qualitative information. It requires significantly
less time to question 40 people as they leave a grocery store than a plan, design, and collect a
random, representative sample of a population. A type of non-probability sampling method
where the sample is taken from a group of people easy to contact or to reach. That involves the
sample being drawn from that part of the population that is close to hand. The best way of
reducing bias in convenience sampling is to use it along with probability sampling. Since it is
usually biased, probability sampling gets the measurement parameter with it to keep this bias
under check. Even though convenience sampling can be easy to obtain, its disadvantages usually
outweigh the advantages. This sampling technique may be more appropriate for one type of
study (Davies HT, Crombie IK).
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MATH 225N Week 7 Lab
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