Question #63380

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

vii) Calculate the coefficient of variation

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

vii) Calculate the coefficient of variation

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