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What is the statistical function that accurately measures what it is intended to measure?
There is none. If an accurate measure was possible then statistical techniques would not be required. A maximum likelihood estimate is probably better than other statistical estimates.
What is mean and standard deviation?
They are statistical measures. For a set of observations of some random variable the mean is a measure of central tendency: a kind of measure which tells you around what value the observations are. The standard deviation is a measure of the spread around the mean.
What is the use of median?
It is a statistical measure that helps you understand the sample/population data.
A statistical measure of the association between two variables is called a?
Correlation Coefficient.
What is megalencephaly?
Megalencephaly (also called macrencephaly) describes an enlarged brain whose weight exceeds the mean (the average weight for that age and sex) by at least 2.5 standard deviations (a statistical measure of variation).
