When encountering a hypothesis test question, how do I know which curve (z or t) is appropriate when structuring the test? | Cheap Nursing Papers

When encountering a hypothesis test question, how do I know which curve (z or t) is appropriate when structuring the test?

When encountering a hypothesis test question, how do I know which curve (z or t) is appropriate when structuring the test? Also, when wording the hypothesis, how do I know if I’m testing a claim about a mean (population standard deviation not known) or if I’m testing a claim about a proportion?

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