zahrast14
zahrast14
22.02.2021 • 
Mathematics

Only ONE of the following statements is true. Which one? Group of answer choices

We should only substitute s for σ in a one-sample procedure when n≤30.

We can never substitute s for σ in a one-sample procedure.

We can always substitute s for σ in a one-sample procedure.

We should only substitute s for σ in a one-sample procedure when n>30.

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