A Researcher Is Testing a Hypothesis of a Single Mean $\alpha$

question 59

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for $\alpha$ = .05 in a one-tailed test is 1.645.The observed z value from sample data is 1.13.The decision made by the researcher based on this information is to ______ the null hypothesis.

• A)reject
• B)fail to reject
• C)redefine
• D)change the alternate hypothesis
• E)restate

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Definitions:

Tympanic

Pertaining to the tympanum or eardrum, often used to describe temperature measurement methods via the ear.

Gastric Residual Volume (GRV)

The amount of fluid remaining in the stomach at a given time, used as an indicator of gastric emptying rate.

Tube Feeding

A method of providing nutrition to individuals through a tube placed in the stomach or small intestine, often used when oral intake is not possible.

Gastric Aspirate

Fluid removed from the stomach through a tube for analysis or to reduce pressure.