Question: Identify the theoretically correct test statistic to use for a hypothesis test concerning the mean of a single population under the following conditions: A. The

Identify the theoretically correct test statistic to use for a hypothesis test concerning the mean of a single population under the following conditions:
A. The sample comes from a normally distributed population with known variance.
B. The sample comes from a normally distributed population with unknown variance.
C. The sample comes from a population following a non-normal with unknown variance. The sample size is large.

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