the haemoglobin A test,a blood test given to diabetics during their periodic check-ups,indicate the level of control of blood sugar during the past two or three months.the following was obtained for 2 different diabetics at a university clinic that treats diabetic patients
a)calculate the interquartile range
b)construct the less then ogive
c)use the ogive to estimate the three quartiles
d)doctors reccomend a minimum blood sugar reading of 5.5.What conclusion can you draw from the blood sugar reading of the 20 patients?