Question: If you told that a random sample has a mean of 15, and variance of zero. What must you conclude: * (2 Points) All elements

If you told that a random sample has a mean of

If you told that a random sample has a mean of 15, and variance of zero. What must you conclude: * (2 Points) All elements in the sample are 15 The mean should not be 15 All elements in the sample are 0 There are no elements in the sample

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