In other terms,

Sum.Of.Obserations = Average x No.Of.Observations

No.Of.Observations = Average / Sum.Of.Observations

Let an object travels same distance twice with different speeds as x km/hr and y km/hr.

Let A is the average of M quantities and B is the average of N quantities.

Average time can be calculated.

Average distances can be calculated.

But average of time and distance can't be calculated.

Tue, 05 Dec

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