There is a range of options for pain relief in labour including non-medical techniques ... Knowing what to expect during the various stages of labour can help reduce anxiety.
You and use flyers, posters, use social media, make videos, also ask experienced people that are in the same field as you.
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Answer: This is because they are less powerful than parametric procedures.
Explanation:
Non-parametric procedures are not as powerful as parametric procedures. Non-parametric procedures do not depend on assumptions about the shape or form of the probability distribution from which the data is extracted. A parametric test has more statistical power than non-parametric test. Some conditions of validity are required for the result of a parametric test to be reliable
