When determining the sample size needed for a proportion for a given level of confidence and sampling error, the closer to 0.50 that p is estimated to be:
A. the smaller the sample size required.
B. the larger the sample size required.
C. the sample size is not affected.
D. the effect cannot be determined from the information given.
Analysis:
A. Incorrect. The closer to 0.50 that p is estimated to be the larger the sample size required.
B. Correct. The closer to 0.50 that p is estimated to be the larger the sample size required.
C. Incorrect. The closer to 0.50 that p is estimated to be the larger the sample size required.
D. Incorrect. The closer to 0.50 that p is estimated to be the larger the sample size required.
ANSWER : B
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