If you are told a population has a mean of 25 and a, Ask an Expert

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If you are told a population has a mean of 25 and a variance of 0, what must you conclude?

a) Someone has made a mistake.

b) There is only one element in the population.

c) There are no elements in the population.

d) All the elements in the population are 25.

e) None of the above.

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