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

question 15

Multiple Choice

A researcher is testing a hypothesis of a single mean.The critical z value for $\alpha$ = .05 and 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)not reject
• C)redefine
• D)change the alternate hypothesis into
• E)restate

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Definitions:

Develop Slowly

The gradual and progressive process of growth or advancement, often referring to physical, mental, or emotional development over time.

Begin Suddenly

To start or initiate suddenly without warning, often used in the context of symptoms or conditions appearing abruptly.

Cognitive Problems

Difficulties in processing information, including challenges with memory, attention, problem-solving, and decision-making.

Dissociative Disorder

A mental health condition characterized by a disconnection and lack of continuity between thoughts, memories, surroundings, actions, and identity.