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minimum variance means? The shape of...

Which of the following describes what the property of minimum variance means?

The shape of the sampling distribution is approximately normally distributed.

The center of the sampling distribution is found at the population standard deviation.

The center of the sampling distribution is found at the population parameter that is being estimated.

The sampling distribution in question has the smallest variation of all possible unbiased sampling distributions.

The shape of the sampling distribution is approximately normally distributed.

The center of the sampling distribution is found at the population standard deviation.

The center of the sampling distribution is found at the population parameter that is being estimated.

The sampling distribution in question has the smallest variation of all possible unbiased sampling distributions.

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