solution :
given is the data of results of rapid injection,
calculation of variance :
From the data of given patients 15,50,20,38,130,250,0,18 and by using excel sheet and formulas the coefficient of variation is 1.1629
nd the objective response of 65,45,36,31,25,10,5 the coeficient of variation is 0.6839
therefore coeficient o variation of patient i.e 1.1629 is greater than obejctice response variantion i.e 0.8639
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