* The repeatability or precision of measurements may be measured by: (a) the coe
ID: 3220857 • Letter: #
Question
* The repeatability or precision of measurements may be measured by: (a) the coefficient of variation of repeated measurements; (b) the standard deviation of measurements between subjects; (c) the standard deviation of the difference between pairs of measurements; (d) the standard deviation of repeated measurements within subjects; (e) the difference between the means of two sets of measurements on the same set of subjects. The specificity of a test for a disease: (a) has a standard error derived from the Binomial distribution; (b) measures how well the test detects cases of the disease; (c) measures how well the test excludes subjects without the disease; (d) measures how often a correct diagnosis is obtained from the test; (e) is all we need to tell us how good test is.Explanation / Answer
81)
Answer: E
That is, the difference between the means of two sets of measurements on the same set of subjects.
82)
Answer: D
That is, measures how often a correct diagnosis is obtained from the test
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