Everyone must wear medical grade gloves in a sterile field. A sterile field is usually used during surgery. A sterile syringe and vial of medication. Surgical hand scrubs remove most bacteria from the skin before gloves are put on.
Standard score. In statistics, the standard score is the signed number of standard deviations by which the value of an observation or data point is above the mean value of what is being observed or measured. Observed values above the mean have positive standard scores, while values below the mean have negative standard scores. The standard score is a dimensionless quantity obtained by subtracting the population mean from an individual raw score and then dividing the difference by the population standard deviation.
Standard Score. Standard Score is a set of scores that have the same mean and standard deviation so they can be compared. We will use IQ as our common example to stitch all of this together. Mean is the average of all of the scores and in the very center of a plotted graph of scores (this will be explored later).tandard Score is a set of scores that have the same mean and standard deviation so they can be compared. We will use IQ as our common example to stitch all of this together.