Wednesday, 5 December 2012

Statistical tests


Regarding statistical tests

(a) the middle observation in an ordered series is the median
(b) the mean is the most frequently occurring observation in a series
(c) the standard deviation gives an indication of the scatter of the observations
(d) 95% of all values lie within ±2 SD
(e) the standard deviation is a measure of the significance of observations



(a) true (b) false (c) true (d) true (e) false


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