Answer to Question #63447 in Statistics and Probability for cyrus

Question

a) The following data relates to daily bill (in Kshs) on consumption of a certain commodity for 60 households

Daily bills (Kshs) No. of households
10 - 20 6
20 - 30 7
30 - 40 11
40 - 50 10
50 - 60 6
60 - 70 5
70 - 80 9
80 - 90 3
90 - 100 3


i) Calculate the mean
ii) Calculate the median
iii) Calculate the mode
iv) Calculate the standard deviation
v) Calculate the coefficient of skewness
vi) Comment on the skewness of this distribution
Calculate the coefficient of variation