Statistics Practice Test 1

Question : 3 of 37

Marks: +1, -0

What is the geometrical mean of the observations: 420, 402, 204, 40, 24, 20, 4, 2 and 0?

Solution:

The given observations are 420, 402, 204, 40,24, 20, 4, 2 and 0.

∴ Geometric mean

=√^9{ 420× 402× 204×40×24× 20× 4× 2 ×0}=0

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