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The ________ of a confidence interval is a measure of its precision. A. Length. B. Variance. C. Diameter. D. Width. For a normal curve, the

The ________ of a confidence interval is a measure of its precision.

A. Length. B. Variance. C. Diameter. D. Width.

For a normal curve, the mean, median and mode are_________. A. All equal. B. All different. C. All zero. D. The mean is always the largest and the mode always the smallest.

The width of a confidence interval is influenced by all of the following except________. A. The specified confidence level. B. Sample size. C. Population standard deviation. D. Median.

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