Sample size (n) is related to the degree of the confidence (1-alpha) in that the:
a. larger the degree of confidence, the larger the sample size.
b. smaller the degree of confidence, he larger the sample size.
c. sample size would be the same irrespective of the degree of confidence.
d. sample size formula is related to z and not to the degree f confidence.
e. None of the above.
Question 2
What three factors are needed to calculate sample size?
a. Variability, precision, and confidence.
b. Variability, precision, and population size.
c. Precision, confidence, and population size.
d. Precision, population size, and costs.
e. None of the above.
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