Which of the Following Is Not a Property of Variance

question 36

Multiple Choice

Which of the following is not a property of variance?

• A) The units of variance are the squares of the units of the original data.
• B) The value of the variance is always positive or 0.
• C) The sample variance is a biased estimator of the population variance.
• D) The value of the variance is zero only when all of the data values are the same number.

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Definitions:

Confidence Interval Estimator

A statistical tool used to estimate the range within which a population parameter lies, with a certain confidence level.

Independent Samples

Samples that are collected from different populations, ensuring that the observations in one sample do not influence or have any relationship with those in the other.

Registered Democrats

Individuals who have officially recorded their preference or affiliation with the Democratic Party, typically in the context of the United States.

Registered Republicans

Individuals who are officially registered to vote as members of the Republican Party in the United States.