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In most research situations,the researcher does not have a list of all the individuals in the population and,therefore,must use ___________ sampling.
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Q45: Which of these is a zoonosis?<br>A)measles<br>B)encephalitis<br>C)mumps<br>D)whooping cough
Q56: _ the time period between treatment conditions
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Q66: In order to determine whether factors influence
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