| standard b. |
the plasma bicarbonate concentration in blood equilibrated with a gas mixture having a PCO2 of 40 mm Hg and a PO2 over 100 mm Hg at 37°C.
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| standard c. |
small c.
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| standard d. |
in statistics a measure of the amount by which each value deviates from the mean; equal to the square root of the variance, i.e., the square root of the average of the squared deviations from the mean. It is the most commonly used measure of dispersion of statistical data. Called also population standard d.. Symbol σ. See figure at normal distribution, and see also sample standard d.
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| standard e. |
in statistics, a measure of the variability that the calculated parameter estimate shows as repeated random samples are taken from the same population.
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| standard e. of the mean |
an indication of how well a sample mean estimates the population mean by measurement of the standard deviation of a sampling distribution of the means. It is approximately equal to s / √n , where s is the sample estimate of the standard deviation and n is the sample size.
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