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Can standard deviation be a negative?
No. Standard deviation is the square root of a non-negative number (the variance) and as such has to be at least zero. Please see the related links for a definition of standard deviation and some examples.
Does standard deviation and mean deviation measure dispersion the same?
No. The average of the deviations, or mean deviation, will always be zero. The standard deviation is the average squared deviation which is usually non-zero.
What is a measured standard?
Standard measurements are kilogram, meter, liter and second. Non-standard measurements are antique, ancient, archaic units like fathoms, acres, cubits, miles, stones, hundredweights, pounds, pecks, bushels, gills, pints, quarts, gallons which are only of interest to historians.
What does standard and non standard mean?
Standard components is a food technology term, when manufacturers buy in a standard component they would use a pre-made product in the production of their food. They help products to be the same in consistency, they are quick and easy to use in batch production of food products. Some examples are pre-made stock cubes, marzipan, icing, ready made pastry.
What is the probability of drawing three non face cards in a row from a standard deck of cards when the drawn card is not returned to the deck each time?
It is approx 0.41
