Question

The following grades were obtained on the final statistics in summer 2003, in the urban studies department of Rutgers University. there were 32 students in the class.

85,85,80,95,75,95,75,90

a) range of the observation
b) The interquartile range of the observation is
c)Interquartile creation of the observation is
d) variance of the observation is
e) standard deviation of the observation is
f) mean deviation of the observation is
g)coefficient of variation of the observation
h)coefficient of skewness of the observation is

draw a boxplot for this set of data, and explain whether the data is possibly skewed, negatively skewed,or symmetric

Answer 1