Class assignment # 2 Measures of position and variabitity. 1)For the following series of observations find : a)measures of position: the mean, median, mode, midrange, quartiles. b) measures of variability: the range, interquartile range, variance, standard deviation: 11, 3, 2, 8, 5 11, 6, 15, 18, 11 Graph Block and Whiskas Diagram. ( x , - x) 2 X , x - x IN 3 5 6 8 15 18 [ ( x, - * ) 2 = Ex. =