If a Researcher Is Using a T Statistic to Test

question 71

Multiple Choice

If a researcher is using a t statistic to test a null hypothesis about a population,what information is needed from the population to calculate the t statistic?​

• A)​You must know the population mean
• B)​You must know the population variance or standard deviation
• C)​You must know the population mean and the variance or standard deviation
• D)​The t statistic does not require any information about the population

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Definitions:

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A surgical procedure or technique involving the use of a clamp to temporarily stop or restrict blood flow through a vessel.

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A movable medical equipment stand used in surgical settings to hold sterile instruments and supplies.