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:

Incapacitated

A state in which an individual or entity is unable to act or respond due to injury, illness, or other impairments.

Drugs

Substances used for medical purposes to diagnose, cure, treat, or prevent disease, or otherwise used to alter one's physiological or psychological state.

Alcohol

A chemical compound, specifically ethanol, often consumed as a recreational beverage, and known for its psychoactive and depressant effects.

Hidden Expectations

Implicit expectations within a project or work environment that are not clearly documented or acknowledged.