Question

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

Answer 1

Explanation:

By definition, variance is the measure in which elements in a population or sample are spread from the average or mean value. ... In this regard, a mean of 25 and a variance of 0 will mean that all the elements in that population are equal to 25.

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Answer 2

Answer:

It follows that all of the population's components are 25 if the population's mean is 25 and its variance is 0.

Explanation:

• Sample variance is the variance computed from sample data, whereas population variance is the value of variance obtained from population data.

• A population's variation is determined by: calculating the mean , dividing the outcome by square after deducting the mean from each data point,

Hence , if  the population has a mean of 25 and variance is 0 then it follow that all the elements of the population are 25  .

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