If the number of passengers travelled in APSRTC bus from Adilabad to Nirmal in 4 trips in a day are 39, 30, 45, 54, then the occupancy ratio of the bus for the day is

If the number of passengers travelled in APSRTC bus from Adilabad to Nirmal in 4 trips in a day are 39, 30, 45, 54, then the occupancy ratio of the bus for the day is

A
168
B
45
C
33.5
D
42

Solution:

Mean $= \frac{sum of observations}{number of observations}$

Then the occupancy ratio of the bus for the day(mean) is $= \frac{39 + 30 + 45 + 54}{4} = 42$

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