Which Is the Most Correct Statement? the Required Sample Size,n,is

question 26

Multiple Choice

Which is the most correct statement? The required sample size,n,is a function of:

• A)The variability in the population,precision or accuracy needed,confidence level desired,and type of sampling plan used.
• B)Precision or accuracy needed,confidence level desired,and type of sampling plan used.
• C)The variability in the population,precision or accuracy needed,and confidence level desired.
• D)The variability in the population,precision or accuracy needed,and type of sampling plan used.

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Definitions:

Control Group

In an experiment, a group of people, similar to those in the experimental group, who do not receive the treatment under study.

Cause and Effect

A relationship where one event (the cause) makes another event happen (the effect).

Random Selection

A method of sampling in which participants are chosen from a larger population entirely by chance, ensuring that every individual has an equal probability of being selected.

Random Assignment

Assignment of participants in an experiment to groups in such a way that each person has an equal chance of being placed in any group.