Mathematics, 09.09.2019 18:20 shayambros
Identify the source(s) of sampling bias and describe (i) how it might affect the study conclusions and (ii) how you might alter the sampling method to avoid the bias. (a) to study the size distribution of rock cod (epinephelus puscus) off the coast of southeastern australia, scientists recorded the lengths and weights for all cod captured by a commercial fishing vessel on one day (using standard hook-and-line fishing methods). (b) a nutritionist is interested in the eating habits of college students and observes what each student who enters a dining hall between 8: 00 a. m. and 8: 30 a. m. chooses for breakfast on a monday morning. (c) to study how fast an experimental painkiller relieves headache pain residents of a nursing home who complain of headaches are given the painkiller and are later asked how quickly their headaches subsided.
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Identify the source(s) of sampling bias and describe (i) how it might affect the study conclusions a...
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