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Question : Which of the following statements pertaining to the determination of sample size is TRUE ?
The Correct Answer is : B. The larger the standard deviation, the larger the sample size Explanation : The larger the standard deviation in a population the larger the required sample size. Standard deviation measures the relationship to the normal distribution. A direct relationship also exists for the confidence level and expected error rate as they pertain to sample size. The greater the confidence level or expected error rate, the greater the sample size. Conversely, an inverse relationship exists between precision and sample size. The smaller the precision amount, the larger the required sample size.
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| จำนวนผู้เยี่ยมชม | : |   |
| ปรับปรุงครั้งล่าสุด | : | วันพุธที่ 7 เมษายน พ.ศ 2547 |
| ถือกำเนิด | : | วันพุธที่ 7 เมษายน พ.ศ 2547 |
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