The bar graph given below shows the data of the production of paper (in lakh tonnes) by three different companies X, Y and Z over the years.
Production of Paper (in lakh tonnes) by Three Companies X, Y and Z over the Years.
The average production for five years was maximum for which company?
A.
X
B.
Y
C.
Z
D.
both X and Z
Correct answer is D
Average production (in lakh tons) in five years for the three companies are:
For Company X = [ 1/5 x (30 + 45 + 25 + 50 + 40) ] = 190/5 = 38
For Company Y = [ 1/5 x (25 + 35 + 35 + 40 + 50) ] = 185/5 = 37
For Company Z = [ 1/5 x (35 + 40 + 45 + 35 + 35) ] = 190/5 = 38
Therefore Average production of five years is maximum for both the Companies X and Z.