Answer:
The correct choices are:
A. At random
D. Represent the population
Explanation:
- Random sampling ensures that every member of the population or group has an equal chance of representation.
- Random sampling eliminates the possibility of response or sample bias which gives a universal sample that uniformly represents all members of the population.
- A good sample should represent the entire population. This can be achieved by through random sampling.
- Convenience and volunteer based samples both have an increased risk of response bias. These samples will only represent selected individuals instead of the entire population.
Answer:
D. Grade I signifies highly deviant tissue development
Explanation:
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A.Immunity! I may not be right but here you go
The 7th rib articulates posteriorly with T1-T12 thoracic vertebrae