Mathematics, 03.03.2020 00:02 paiged2003

For the same sample size, a lower level of precision in a confidence interval (i. e. a larger margin of error, a larger sampling error or a wider confidence interval) results from having

(1) a larger sampling distribution.
(2) a smaller sampling distribution.
(3) a higher level of confidence.
(4) a smaller sample mean.
(5) a smaller population variance.

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For the same sample size, a lower level of precision in a confidence interval (i. e. a larger margin...