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Coding
Does Standard Deviation of a given set of data change when it is coded? Say the method of coding is y=((x+a)/b), after having worked out The Standard Deviation for the y values, do you leave it as it is?
Newton.
Newton.
yes, it can do but it depends on how you code it
found this site: http://www.bbc.co.uk/education/asguru/maths/12methods/05data/28scaling/principles.shtml
found this site: http://www.bbc.co.uk/education/asguru/maths/12methods/05data/28scaling/principles.shtml
Newton
See as I typed above.
Say the method of coding is y=((x+a)/b), after having worked out the standard deviation of the y values what do you do then to work out the standard deviation of the original set, and why?
Newton.
Say the method of coding is y=((x+a)/b), after having worked out the standard deviation of the y values what do you do then to work out the standard deviation of the original set, and why?
Newton.
that link from the bbc site is worth going after n looking through
ur questions will be answered
in short though, if (x bar) = a + b (y bar)
then σx = bσy
that means u'll need to rearrange the coding formula to get x in terms of y
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